Chemical Sector Weekly: Structural Divergence Continues – Focus on Synthetic Biology, Refrigerants, and Electronic Gases

Date: December 29, 2025
Analysts: Wang Qiangfeng (S0010522110002), Pan Ningxin (S0010524070002)
Sector Rating: Overweight (增持)

Executive Summary

The Chinese chemical sector demonstrated robust relative performance during the week of December 22–26, 2025, outperforming broader market indices. The Shenwan Chemical Index rose by 4.23%, ranking 7th among all primary sectors, surpassing the Shanghai Composite Index (+1.88%) and the ChiNext Index (+3.90%). This outperformance underscores the market’s increasing preference for chemical sub-sectors with clear supply-side constraints, technological moats, or structural growth drivers.

Our core thesis for 2025 remains that industry prosperity will continue to diverge significantly. We advise institutional investors to shift focus from cyclical beta to structural alpha, specifically targeting seven high-conviction themes: Synthetic Biology, Third-Generation Refrigerants, Electronic Specialty Gases, Light Hydrocarbon Chemicals, COC/COP Polymers, Potash Fertilizers, and MDI (Methylene Diphenyl Diisocyanate).

Key developments this week include a notable rebound in photovoltaic (PV) silicon wafer prices, signaling the initial success of industry-wide "anti-involution" (capacity discipline) measures. Simultaneously, major global consolidation trends are accelerating, exemplified by the integration of polyolefin businesses by Mitsui Chemicals, Idemitsu Kosan, and Sumitomo Chemical in Japan, and BP’s strategic divestment of Castrol. These moves highlight a global shift towards efficiency, scale, and portfolio optimization in mature chemical markets.

We maintain an Overweight rating on the chemical sector. Our top picks include companies with dominant market positions, proprietary technology, or exposure to high-growth niches such as Wanhua Chemical, Juhua Co., Satellite Chemical, Kaisai Biological, and Huaheng Biological.

Key Takeaways

1. Market Performance & Sentiment: Resilience Amidst Volatility

The chemical sector’s ability to outperform the broader market reflects improving fundamentals in specific sub-sectors and a rotation of capital into value-oriented industrial stocks.

• Relative Strength: The chemical sector’s +4.23% gain compares favorably against the Shanghai Composite (+1.88%) and ChiNext (+3.90%). This indicates that while growth stocks (ChiNext) rallied, traditional industrials also attracted significant inflows, likely driven by year-end rebalancing and anticipation of policy support for manufacturing upgrades.
• Sub-Sector Leadership: Within chemicals, performance was highly differentiated.
  • Top Performers: Membrane Materials (+12.06%), Synthetic Resins (+11.25%), and Fluorine Chemicals (+10.46%) led the gains. These sectors benefit from downstream demand recovery in electronics, new energy vehicles (NEVs), and specific supply tightness (e.g., refrigerants).
  • Laggards: Oil & Petrochemical Trading (-0.73%), Other Rubber Products (+0.17%), and Carbon Black (+0.70%) underperformed, reflecting weaker margins or lack of immediate catalysts.
• Individual Stock Momentum:
  • Gainers: Shenjian Shares (+61.20%), Jiuding New Materials (+48.75%), and *ST Jintai (+33.12%) showed exceptional volatility, often driven by M&A rumors, restructuring expectations, or niche product price spikes.
  • Losers: Suli Shares (-13.71%) and Tietie Technology (-13.06%) faced pressure, potentially due to profit-taking or sector-specific headwinds in agrochemicals and rubber additives.

Source: Wind, Huaan Securities Research Institute

2. Strategic Investment Themes for 2025: Seven Pillars of Alpha

We identify seven structural opportunities where supply-demand dynamics, policy tailwinds, or technological breakthroughs create durable competitive advantages.

Theme 1: Synthetic Biology – The "Singularity" Moment

Investment Logic:
The energy transition is fundamentally altering the cost structure of material production. Fossil-based materials face existential threats from carbon taxes and rising energy costs. In contrast, synthetic biology offers a pathway to low-carbon, low-energy production. We believe the industry has reached a "singularity" point where:
1. Cost Parity: Bio-based materials are achieving cost competitiveness with fossil counterparts, particularly as "non-grain" feedstock technologies mature.
2. Policy Support: Governments are prioritizing bio-manufacturing to reduce dependency on imported oil and meet climate goals.
3. Demand Explosion: As costs decline, demand is shifting from niche premium applications to bulk commodities, creating a high-growth window.

Key Drivers:
* Carbon Cost Advantage: Traditional chemical players must invest heavily in green energy integration or face margin erosion. Bio-based routes inherently possess a lower carbon footprint.
* Technological Breakthroughs: Advances in enzyme engineering and fermentation efficiency are lowering production costs.
* Regulatory Tailwinds: The Ministry of Industry and Information Technology (MIIT) recently released the first batch of landmark bio-manufacturing products, signaling strong state support. Data shows the bio-based material industry grew by 29% in the first 11 months of 2025.

Recommended Companies:
* Kaisai Biological (凯赛生物): A leader in long-chain dicarboxylic acids and bio-polyamides, with scalable production capabilities.
* Huaheng Biological (华恒生物): Dominant in alanine and expanding into other amino acid derivatives, benefiting from vertical integration and cost leadership.

Theme 2: Third-Generation Refrigerants – Entering a High-Prosperity Cycle

Investment Logic:
The refrigerant sector is undergoing a profound structural shift due to the implementation of the Kigali Amendment and domestic quota policies. Starting in 2024, third-generation hydrofluorocarbons (HFCs) entered a phase of "fixed quotas + continuous reduction."

Supply-Demand Dynamics:
* Supply Constraint: The total supply of HFCs is now capped and will gradually decrease. Second-generation HCFCs are being acceleratedly phased out. Fourth-generation HFOs remain prohibitively expensive due to patent barriers, limiting their substitution effect in the short-to-medium term.
* Demand Growth: Demand is resilient and growing, driven by:
* Expansion of the heat pump market (energy efficiency trends).
* Growth in cold chain logistics.
* Replacement demand from the large existing stock of air conditioners.
* Rising demand from Southeast Asian markets.
* Pricing Power: With supply shrinking and demand growing, a structural supply deficit is emerging. This grants pricing power to manufacturers, particularly those with large quota allocations.

Implication:
Companies with higher quota shares will experience disproportionate earnings growth as prices stabilize and rise. The industry is transitioning from a volume-driven to a margin-driven model.

Recommended Companies:
* Juhua Co. (巨化股份): Largest quota holder, integrated fluorine chemical platform.
* Sanmei Co. (三美股份): Significant exposure to HFC-134a and HFC-125.
* Haohua Technology (昊华科技): Diversified fluorine portfolio with strong R&D capabilities.
* Yonghe Co. (永和股份): Integrated fluorine-silicon industrial chain.

Theme 3: Electronic Specialty Gases – The Core of Domestic Substitution

Investment Logic:
Electronic specialty gases are the "blood" of the semiconductor and display industries. The sector is characterized by high technical barriers, high added value, and critical importance to supply chain security.

Market Dynamics:
* Domestic Gap: While China’s wafer fabrication capacity is expanding rapidly, the domestic electronic gas market remains fragmented with insufficient high-end capacity. This mismatch creates a substantial opportunity for import substitution.
* Triple Demand Driver:
1. Semiconductors: Advanced node manufacturing requires higher purity and specialized gas mixes, driving both volume and value (price) up.
2. Flat Panel Displays (FPD): Industry upgrades and iteration (e.g., OLED, Mini-LED) increase the variety and volume of gases required.
3. Photovoltaics (PV): Rapid installation growth drives volume demand for specific gases.

Competitive Moat:
Success in this sector relies on three pillars:
1. Purification Technology: Achieving ultra-high purity (ppb/ppt levels).
2. Mixing Formulas: Proprietary blends for specific etching or deposition processes.
3. Full-Category Supply: Ability to provide a comprehensive portfolio, reducing customer procurement complexity.

Recommended Companies:
* Jinhong Gas (金宏气体): Moving towards a platform model with a broad product range.
* Huate Gas (华特气体): Strong presence in advanced semiconductor nodes, successful certification with international giants.
* CSSC Special Gas (中船特气): Leading supplier in specific niche gases, backed by state-owned enterprise stability.

Theme 4: Light Hydrocarbon Chemicals – The Global Trend of Feedstock Lightweighting

Investment Logic:
The global olefin industry is undergoing an irreversible shift towards feedstock lightweighting. Over the past decade, ethane and propane have increasingly replaced naphtha as primary feedstocks for ethylene and propylene production.

Advantages of Light Hydrocarbon Routes:
* Cost Efficiency: Ethane cracking and Propane Dehydrogenation (PDH) offer shorter process flows, higher yields, and lower cash costs compared to naphtha cracking, especially when oil prices are elevated.
* Environmental Benefits: Lower carbon emissions, lower energy consumption, and lower water usage align with global碳中和 (carbon neutrality) goals.
* Hydrogen Byproduct: These processes produce high-purity hydrogen as a byproduct, which can be used internally to reduce costs or sold externally, adding a revenue stream.

Global Context:
Outside of Asia (where coal-to-olefins and oil-to-olefins still grow), nearly all new global ethylene capacity additions are based on light hydrocarbons. This trend enhances the competitiveness of companies with access to cheap ethane/propane resources.

Recommended Company:
* Satellite Chemical (卫星化学): A leader in ethane cracking in China, with integrated C2 and C3 industrial chains. The company benefits from low-cost US ethane imports and strong downstream integration.

Theme 5: COC/COP Polymers – Accelerating Industrialization and Import Substitution

Investment Logic:
Cyclic Olefin Copolymer (COC) and Cyclic Olefin Polymer (COP) are high-performance materials derived from C5 feedstocks. They offer superior optical clarity, low water absorption, and high biocompatibility.

Demand Drivers:
* Consumer Electronics: Widely used in smartphone camera lenses (plastic lenses replacing glass for weight and design flexibility).
* Medical & Packaging: Growing use in pre-filled syringes, medical packaging, and food packaging due to safety and clarity.
* New Energy Vehicles: Potential applications in sensors and lighting systems.

Supply Bottleneck & Opportunity:
* Import Dependence: The market has historically been dominated by Japanese firms (e.g., Zeon, Mitsui), creating supply chain vulnerabilities for Chinese downstream manufacturers.
* Domestic Breakthrough: Chinese companies have achieved significant R&D breakthroughs in monomer synthesis and polymerization.
* Substitution Urgency: Downstream clients are actively seeking domestic suppliers to mitigate geopolitical risks and secure supply chains. This accelerates the qualification and adoption of domestic COC/COP products.

Investment View:
The primary bottleneck is supply-side capability. As domestic producers scale up and pass customer qualifications, they will capture market share from high-priced imports.

Recommended Company:
* Akelei (阿科力): One of the few domestic companies with advanced COC/COP production capabilities and ongoing industrialization projects.

Theme 6: Potash Fertilizer – Price Bottoming and Inventory Cycle Turn

Investment Logic:
The potash market is showing signs of a cyclical turnaround. After a period of destocking, supply constraints and renewed demand are supporting prices.

Key Catalysts:
* Supply Discipline: Major exporters like Canpotex have withdrawn new quotes, and Nutrien has announced production cuts. This reduces immediate supply pressure and helps clear upstream inventory.
* Geopolitical Impact: Russia’s termination of the Black Sea Grain Initiative has led to higher wheat and corn futures prices. Higher grain prices improve farmers’ planting incentives, thereby boosting fertilizer demand.
* Inventory Status: Inventories are concentrated upstream with producers, giving them greater control over pricing.
* Seasonal Demand: Global restocking is expected to intensify in the autumn season, further tightening the market.

Investment View:
Potash prices are likely to bottom out and rebound. Companies with low-cost resources and stable production will benefit from margin expansion.

Recommended Companies:
* Asia-Potash International (亚钾国际): Low-cost producer with expanding capacity in Laos.
* Salt Lake Industry (盐湖股份): Dominant domestic player with resource advantages in Qinghai.
* Zangge Mining (藏格矿业): Integrated potash and lithium producer.
* Dongfang Iron Tower (东方铁塔): Potash producer with operations in Laos.

Theme 7: MDI (Methylene Diphenyl Diisocyanate) – Oligopolistic Stability

Investment Logic:
The MDI industry is a classic example of an oligopoly with high entry barriers. The global market is dominated by eight producers, with the top five (Wanhua, BASF, Covestro, Huntsman, Dow) controlling 90.85% of total capacity.

Market Dynamics:
* High Barriers: Proprietary technology and complex engineering prevent new entrants.
* Resilient Demand: Polyurethane applications (construction, appliances, automotive) continue to grow steadily.
* Supply Optimization: Wanhua Chemical’s acquisition of Juli Chemical and the sustained low operating rates of European产能 (due to energy costs and maintenance) are tightening the global supply balance.
* Profitability: Despite economic headwinds keeping prices in a bottom-range oscillation, per-ton profits remain attractive due to cost leadership and oligopolistic pricing power.

Investment View:
MDI is one of the few chemical products capable of traversing economic cycles with stable profitability. As demand recovers, the improved supply格局 (landscape) will support price stability and margin resilience.

Recommended Company:
* Wanhua Chemical (万华化学): The global MDI leader with the lowest cost structure and continuous innovation in downstream polyurethane applications.

3. Industry News & Corporate Actions

3.1 Photovoltaic Supply Chain: Price Rebound Signals "Anti-Involution" Success

Event:
Since July 2025, multi-departmental policies focusing on capacity control, price stabilization, and standard elevation have been implemented. The "anti-involution" campaign in the PV industry is yielding results.

Data Points:
* Polysilicon: The main continuous contract price has doubled since late June. N-type recycled material averaged 53,900 RMB/ton, a 54% increase from the end of Q2.
* Silicon Wafers: Price hikes have transmitted downstream. On December 25, leading wafer manufacturers collectively raised prices. As of December 26, single-crystal silicon wafer prices ranged from 1.2 to 1.52 RMB/piece, a ~40% increase from early Q3 (0.86–1.19 RMB/piece).
* Supply Discipline: Manufacturers are adhering to production cuts. December output is expected to drop 5% month-on-month. Sales rhythms are controlled, and low-price dumping has largely ceased.

Implication:
The PV supply chain is moving from destructive competition to rational, quality-focused growth. This benefits leading companies with cost advantages and technological superiority.

3.2 Global M&A: Japanese Polyolefin Consolidation

Event:
Mitsui Chemicals, Idemitsu Kosan, and Sumitomo Chemical signed a final agreement on December 24 to integrate their polyolefin businesses in Japan.

Structure:
* Phase 1 (July 1, 2026): Sumitomo Chemical transfers its PP and LLDPE sales/business functions to Prime Polymer Co., Ltd. (PRM), a joint venture between Mitsui (52%) and Idemitsu (28%). Sumitomo will acquire a 20% stake in PRM.
* Phase 2 (April 1, 2027): Transfer of production assets and liabilities.
* Resulting Entity: PRM will have a total polyolefin capacity of 2.31 million tons/year (1.59 million tons PP, 0.72 million tons PE), representing over 30% of Japan’s domestic plastic capacity.
* Synergies: Expected annual cost savings of over 8 billion JPY.

Context:
This follows Idemitsu Kosan and Sansei Kagaku’s agreement to integrate their Chiba ethylene business, including closing a 370,000 ton/year ethylene unit. These moves reflect the urgent need to address oversupply and shrinking domestic demand in Japan’s mature petrochemical market.

3.3 BP Divests Castrol Stake

Event:
BP announced the sale of a 65% stake in Castrol to Stonepeak for approximately $6 billion in net proceeds.

Details:
* Valuation: Enterprise value of $10.1 billion.
* Structure: Post-transaction, Stonepeak holds 65%, BP holds 35%. BP has the right to sell its remaining stake after a two-year lock-up.
* Strategic Rationale: Part of BP’s $20 billion divestment plan to reduce net debt (target: $14–18 billion by end-2027; current: $26.1 billion). Allows BP to focus on downstream and energy transition strategies.

3.4 German Biofuel Policy Shift

Event:
The German Cabinet approved a draft Biofuel Law allowing the continued use of food and feed crops as biofuel raw materials, reversing previous plans to phase them out.

Key Provisions:
* Status Quo Maintained: Current levels of food/feed crop usage are permitted.
* Palm Oil Ban: From 2027, palm oil-based biofuels will not count towards emission reduction targets due to environmental concerns.
* Double Counting Limitation: Restrictions on "double counting" mechanisms for advanced/waste-based biofuels.

Implication:
Supportive for prices of vegetable oils (rapeseed, soybean) used in biofuel production. Provides regulatory clarity for the industry.

3.5 Corporate Announcements

4. Chemical Price & Spread Tracking

4.1 Weekly Price Movements (Dec 20–26, 2025)

The market showed mixed signals, with energy-linked products and certain intermediates rising, while some downstream polymers and agrochemicals softened.

Top 5 Gainers:
1. NYMEX Natural Gas (Futures): +9.59% (Driven by winter heating demand and supply concerns).
2. PTA (East China): +8.95% (Cost support from crude oil and PX; demand resilience).
3. Butadiene (Southeast Asia CFR): +6.83% (Tight supply, strong synthetic rubber demand).
4. PET Chips (Bright, Domestic): +4.39% (Follow-up rise from PTA/MEG costs).
5. Toluene (East China): +4.39% (Gasoline blending demand and chemical feedstock needs).

Top 5 Losers:
1. Pure MDI (East China): -4.23% (Weak downstream demand in construction/appliances).
2. Acrylic Fiber Tow (3D/46mm, East China): -3.45% (Seasonal weakness).
3. Acrylic Fiber Staple (1.5D/38mm, East China): -3.42% (Similar to tow).
4. Glyphosate (East China): -2.79% (Oversupply, weak export orders).
5. Polymeric MDI (East China): -2.68% (Correlated with Pure MDI weakness).

Source: Wind, Baiinfo, Huaan Securities Research Institute

4.2 Weekly Spread Movements

Spreads reflect profitability changes. Significant divergence observed between upstream intermediates and downstream polymers.

Top 5 Spread Increases:
1. PTA: +281.46% (Massive percentage increase due to low base; absolute profit improvement).
2. DAP (Diammonium Phosphate): +100.67% (Strong fertilizer demand, stable phosphate rock costs).
3. MAP (Monoammonium Phosphate): +60.76% (Similar to DAP).
4. Adipic Acid: +15.63% (Cost support from benzene, stable nylon demand).
5. Thermal Process Phosphoric Acid: +13.78% (Tight supply of yellow phosphorus).

Top 5 Spread Decreases:
1. Polyester Staple Fiber: -53.05% (Raw material costs rose faster than fiber prices).
2. PET: -36.86% (Margin compression from PTA/MEG).
3. Pure MDI: -5.72% (Price drop exceeded cost drop).
4. Yellow Phosphorus: -5.70% (Environmental checks affecting supply/demand balance).
5. Propylene Oxide: -3.83% (Weak polyether demand).

Source: Wind, Baiinfo, Huaan Securities Research Institute

5. Supply-Side Tracking: Maintenance & Restarts

Monitoring supply disruptions is crucial for predicting short-term price movements. This week, net supply increased slightly due to more restarts than new shutdowns.

Summary:
* Total Affected Capacity: 170 enterprises.
* New Shutdowns: 6 enterprises.
* Restarts: 10 enterprises.

Key New Shutdowns:
* PX: Tianjin Petrochemical (370k tons).
* PTA: Zhongtai Petrochemical (120k tons), Dushan Energy (300k tons).
* Synthetic Ammonia: Sichuan Weiwei (200k tons).
* MAP: Huangmailing (100k tons), Sinochem Chongqing Fuling (200k tons).

Key Restarts:
* Propylene: Guangrao Zhenghe (50k tons).
* Butadiene: Dongming Petrochemical (50k tons).
* PX: Dalian Fujia Dahua (700k tons).
* PTA: Ningbo Yisheng (220k tons).
* Ethylene Glycol: CNOOC Shell (480k tons), Zhongkun New Materials (600k tons).
* Adipic Acid: Shenma Nylon Tech Phase I (150k tons).
* Synthetic Ammonia: Anqing Shuguang (100k tons).
* MAP: Hubei Liuguo (150k tons), Jiyuan Toyota (300k tons).

Analysis:
The restart of significant PX and PTA capacities (Dalian Fujia, Ningbo Yisheng) may exert downward pressure on aromatics chains in the short term. However, the shutdown of Tianjin PX and Dushan PTA offsets some of this. The restart of ethylene glycol units adds supply to an already well-supplied market, potentially capping EG price rallies.

6. Detailed Sub-Sector Analysis

6.1 Petroleum & Natural Gas

Crude Oil:
International oil prices remained volatile. Geopolitical tensions in the Middle East and Eastern Europe continue to provide a risk premium, while concerns about global economic growth cap upside potential. OPEC+ production cuts remain in place, supporting the floor.

Natural Gas:
NYMEX natural gas futures surged 9.59% this week. Winter heating demand in the US and Europe, coupled with any potential supply disruptions, drives seasonal strength. LNG prices in China also showed stability, supporting domestic gas producers.

Oil Services:
Drilling activity remains steady. US rig counts are stable, indicating sustained shale production. Global rig counts show slight growth, benefiting oil service companies with international exposure.

6.2 Phosphorus Chemicals

Fertilizers (DAP/MAP):
Prices and spreads surged (DAP spread +100.67%). This is driven by:
1. Seasonal Demand: Winter storage and spring planting preparation.
2. Export Policies: Stable export quotas allowing for orderly shipments.
3. Cost Support: Phosphate rock prices remain firm due to resource scarcity and environmental regulations.

Phosphates:
Thermal phosphoric acid spreads improved (+13.78%). Yellow phosphorus prices dipped slightly (-5.70%) due to localized oversupply, but overall industry profitability remains healthy.

Iron Phosphate:
Prices remain under pressure due to oversupply in the LFP battery material chain. However, consolidation is underway, and leading companies with cost advantages are gaining share.

6.3 Polyurethanes (MDI/TDI)

MDI:
Prices declined slightly (Pure MDI -4.23%, Polymeric MDI -2.68%). Spreads compressed.
* Demand: Weakness in real estate and appliance sectors continues to weigh on demand.
* Supply: Wanhua’s maintenance schedules and European plant issues provide some support.
* Outlook: Prices are near the bottom. Any demand stimulus or supply disruption could trigger a rebound. Wanhua Chemical’s dominance ensures it remains profitable even in downturns.

TDI:
Prices fell -1.38%. Similar to MDI, demand is lackluster. The market is waiting for clearer signals of economic recovery.

PO (Propylene Oxide):
Prices and spreads declined. Weak demand for polyols and rigid foam limits upside.

6.4 Fluorine Chemicals

Refrigerants:
R32, R125, and R134a prices remain firm or slightly upward. The quota system is effectively restricting supply.
* R32: Widely used in air conditioning, demand is robust.
* R125/R134a: Used in blends and automotive AC, respectively. Steady demand.
* Fluorite/HF: Raw material prices are stable, supporting refrigerant margins.

LiPF6 (Lithium Hexafluorophosphate):
Prices remain low due to oversupply in the electrolyte sector. However, demand from EVs continues to grow, absorbing excess capacity gradually.

6.5 Coal Chemicals

Urea:
Gas-based urea spreads improved slightly. Coal-based urea faces cost pressure from stable coal prices. Agricultural demand provides a floor.

Methanol:
Prices are range-bound. MTO (Methanol-to-Olefins) margins are thin, limiting methanol demand growth. Traditional downstream demand is stable.

EG (Ethylene Glycol):
Prices remain weak. High inventory levels and new capacity additions keep the market oversupplied. Spreads are negative or minimal for many producers.

6.6 Fibers & Textiles

PTA:
Prices rose +8.95%, and spreads expanded significantly (+281.46%).
* Drivers: Crude oil strength, PX cost support, and decent downstream polyester demand.
* Outlook: Profitability for PTA producers has improved markedly from the depressed levels of previous months.

Polyester (PET/Staple/Filament):
* PET Chips: Prices rose +4.39%, but spreads compressed (-36.86%) because raw material costs (PTA/MEG) rose faster.
* Staple Fiber: Spreads collapsed (-53.05%). Intense competition and weak textile demand are squeezing margins.
* Filament: Demand is better than staple, supported by export orders.

Ammonia/Viscose:
Stable to slightly weak. No major catalysts.

6.7 Agrochemicals

Glyphosate:
Prices fell -2.79%. Spreads compressed.
* Issues: Global inventory digestion is slow. New capacity in China has led to oversupply.
* Outlook: Prices are at historical lows (8.59% percentile). Further downside is limited. Consolidation among smaller producers is likely.

Other Herbicides/Insecticides:
Mixed performance. Glufosinate and Paraquat prices are stable. Pyrethroids face moderate demand.

6.8 Chlor-Alkali

Caustic Soda:
Prices are stable. Alumina demand (major consumer) is robust. PVC demand is weak, limiting caustic soda upside (as they are co-products).

PVC:
Electric carbide method PVC spreads are under pressure. Real estate slowdown continues to hurt PVC demand. Exports provide some relief.

Soda Ash:
Ammonia-soda and combined-soda process spreads are stable. Solar glass demand supports soda ash, but flat glass demand is weak.

6.9 Silicon Chemicals

Organic Silicon (DMC):
Prices are range-bound. Demand from construction and textiles is moderate. EV and electronics demand is growing but not enough to drive a major rally.

Industrial Silicon:
Prices are stable. Hydropower costs in Yunnan/Sichuan influence production costs. PV demand supports industrial silicon, but polysilicon oversupply limits upstream pricing power.

6.10 Titanium Dioxide

TiO2:
Prices are stable.
* Demand: Domestic demand is okay, exports are strong due to competitive pricing.
* Cost: Ilmenite prices are firm, supporting TiO2 prices.
* Corporate Action: Dawn Shares’ acquisition of Dawn Titanium highlights the trend of consolidation and vertical integration in the sector.

7. Risks / Headwinds

Investors should be aware of the following risks that could impact the chemical sector’s performance:

1. Policy Volatility:

   • Environmental/Carbon Policies: Stricter carbon emission controls could force unexpected capacity closures or increase compliance costs.
   • Export Controls: Changes in export tax rebates or quotas (e.g., for fertilizers, rare earths) could disrupt revenue streams.
   • Energy Policy: Fluctuations in electricity or natural gas prices directly impact cost structures, especially for energy-intensive sectors like chlor-alkali and silicon.

2. Technological Disruption:

   • New Technologies: Rapid advancements in alternative materials (e.g., solid-state batteries, new catalysts) could render existing products obsolete.
   • Tech Diffusion: Loss of proprietary technology advantages through espionage or reverse engineering could erode moats.

3. Global Trade & Geopolitics:

   • Trade Wars: Tariffs or sanctions (e.g., US-China, EU-China) could restrict market access for Chinese chemical exports.
   • IP Disputes: Intellectual property conflicts, especially in high-tech areas like electronic gases and synthetic biology, could lead to legal costs and market exclusion.
   • Supply Chain Fragmentation: Decoupling trends may force companies to duplicate supply chains, increasing capital expenditure.

4. Commodity Price Volatility:

   • Oil Price Crash: A significant drop in crude oil prices would reduce the cost advantage of coal-based and bio-based chemicals, squeezing their margins.
   • Raw Material Shortages: Disruptions in key raw material supplies (e.g., fluorspar, phosphate rock) could spike costs.

5. Macroeconomic Slowdown:

   • Global Recession: A severe global economic downturn would reduce demand for discretionary goods (autos, electronics, construction), hitting chemical demand hard.
   • China’s Economic Recovery: If China’s post-pandemic recovery stalls, domestic chemical demand will remain weak.

6. Capacity Expansion Risks:

   • Overcapacity: Aggressive capacity expansion in response to short-term high profits (e.g., in PV materials, lithium batteries) can lead to prolonged periods of oversupply and price wars.
   • "Rush to Build": Carbon neutrality goals might prompt a rush to build green capacity, leading to temporary imbalances.

8. Rating / Sector Outlook

Sector Rating: Overweight (增持)

Outlook:
We maintain a positive outlook on the chemical sector, driven by structural improvements rather than broad cyclical recovery. The era of uniform growth is over; success will depend on cost leadership, technological innovation, and supply chain security.

Key Trends for 2025:
1. Consolidation: M&A activity will increase as larger players acquire distressed assets or complementary technologies (e.g., Dawn Shares, Japanese polyolefin integration).
2. Green Transition: Companies that successfully integrate green energy and bio-based routes will command valuation premiums.
3. Import Substitution: High-barrier segments like electronic gases, high-end polymers (COC/COP), and specialty additives will see continued domestic substitution.
4. Supply Discipline: Policy-driven capacity controls (PV, refrigerants) will improve industry profitability.

Investment Strategy:
* Buy Leaders: Focus on oligopolistic leaders with cost advantages (Wanhua, Juhua).
* Buy Growth: Invest in high-growth niches with technological moats (Kaisai, Huaheng, Huate).
* Buy Turnaround: Consider sectors at the bottom of the cycle with clear catalysts for recovery (Potash, Glyphosate).
* Avoid: Highly commoditized sectors with no cost advantage and persistent oversupply (standard PVC, generic polyester).

9. Investment View & Recommended Portfolio

Based on the seven core themes identified, we recommend the following portfolio structure for institutional investors:

Core Holdings (Stability & Dividend)

• Wanhua Chemical (600309.SH):
  • Logic: Global MDI leader, unparalleled cost advantage, diversified into new materials (citral, degradable plastics). Strong cash flow and dividend history.
  • Catalyst: MDI price stabilization, new project ramp-ups.
• Satellite Chemical (002648.SZ):
  • Logic: Leader in light hydrocarbon utilization. Beneficiary of ethane/propane price arbitrage. Integrated C2/C3 chain.
  • Catalyst: New PDH/ethylene plant commissions, hydrogen byproduct monetization.

Growth Engines (High Alpha)

• Kaisai Biological (688065.SH) & Huaheng Biological (688639.SH):
  • Logic: Synthetic biology pioneers. Benefiting from cost reductions and policy support. High growth potential in bio-polyamides and amino acids.
  • Catalyst: New product launches, capacity expansion, penetration into bulk markets.
• Juhua Co. (600160.SH):
  • Logic: Largest beneficiary of the HFC quota system. Integrated fluorine-silicon platform.
  • Catalyst: HFC price increases, growth in electronic chemicals and coolant fluids.

Special Situations & Turnarounds

• Huate Gas (688268.SH) & Jinhong Gas (688106.SH):
  • Logic: Electronic specialty gases. Critical for semiconductor supply chain security. High barriers to entry.
  • Catalyst: Certification with major wafer fabs, new product introductions.
• Asia-Potash International (000893.SZ) & Salt Lake Industry (000792.SZ):
  • Logic: Potash price rebound. Resource-rich, low-cost producers.
  • Catalyst: Global potash price increase, export quota adjustments.
• Akelei (603722.SH):
  • Logic: COC/COP polymer breakthrough. Import substitution play.
  • Catalyst: Successful commercialization and customer qualification of COC products.

Table: Top Picks Summary

Appendix: Detailed Data Tables

A. Weekly Stock Performance Highlights (Top 10 Gainers)

Note: High PE/Negative PE indicates either low earnings or losses, common in growth or cyclical downturn phases. YTD performance shows strong momentum in select names.

B. Weekly Stock Performance Highlights (Top 10 Losers)

C. Key Chemical Product Price & Spread Monitor

Conclusion

The chemical sector is navigating a complex landscape of macroeconomic uncertainty and structural transformation. While broad cyclical recovery remains elusive, structural opportunities are abundant. Investors should prioritize companies with pricing power (refrigerants, MDI), technological moats (synthetic biology, electronic gases), and cost advantages (light hydrocarbons, potash).

The recent price rebounds in PV silicon wafers and the ongoing consolidation in global petrochemicals signal a maturing industry that is prioritizing profitability over market share. This shift is beneficial for well-positioned leaders. We recommend maintaining an Overweight position in the sector, with a focus on the seven key themes outlined in this report.

Disclaimer:
This report is prepared by Huaan Securities Research Institute. The information contained herein is derived from sources believed to be reliable, but Huaan Securities does not guarantee its accuracy or completeness. The opinions expressed are subject to change without notice. This report is for informational purposes only and does not constitute an offer to sell or a solicitation of an offer to buy any securities. Investors should conduct their own independent research and consult with financial advisors before making investment decisions. Huaan Securities and its affiliates may hold positions in the securities mentioned in this report.