Equity Research: Polymeric Materials (688503.SH)

Date: March 31, 2026
Rating: BUY (Initiation)
Target Price: Not Explicitly Stated (Implied Upside >20% based on "Buy" rating definition)
Current Price: CNY 86.05
Market Cap: CNY 20.8 Billion
Analyst: Zhang Han (S1050521110008)

Executive Summary

Initiating Coverage with a BUY Rating: We initiate coverage on Polymeric Materials (688503.SH) with a BUY rating. The company stands at a pivotal inflection point, transitioning from a pure-play leader in photovoltaic (PV) conductive pastes to a diversified platform player in high-end electronic materials, with a strategic entry into the semiconductor supply chain via the acquisition of blank mask business assets.

While the FY2025 financial results reflect a period of consolidation—characterized by robust revenue growth of 16.9% YoY to CNY 14.59 billion but flat net profit growth of 0.4% YoY to CNY 420 million—we view this as a temporary phase driven by working capital dynamics and silver price volatility rather than structural deterioration. The core investment thesis rests on three pillars:

1. Dominance in Next-Gen PV Pastes: Polymeric Materials is well-positioned to capitalize on the technological shift towards TOPCon, HJT, and X-BC cell architectures. Its comprehensive product portfolio and rapid iteration capabilities allow it to maintain market leadership despite intensifying competition. Furthermore, the company is pioneering solutions for emerging applications such as space-based photovoltaics, addressing extreme environmental requirements that create high barriers to entry.
2. Vertical Integration & Cost Leadership: The successful commissioning of the Jiangsu Deli Ju new material base, with an annual capacity of 1,000 tons of electronic-grade silver powder, marks a critical step in upstream integration. This move not only secures supply chain stability but also enhances margin resilience against volatile raw material prices. The establishment of a global-leading powder material R&D center further solidifies its technological moat in nano-silver, copper, and silver-coated copper powders.
3. Strategic Semiconductor Expansion: The approved acquisition of SKE’s blank mask business (signed September 9, 2025) represents a transformative leap into the semiconductor materials sector. By targeting DUV-ArF and DUV-KrF lithography-grade blank masks—a segment with extremely high technical barriers and limited global suppliers—Polymeric Materials aims to accelerate domestic substitution in China. This diversification de-risks the company’s reliance on the cyclical PV industry and opens a high-margin growth avenue aligned with national strategic priorities.

We forecast revenues of CNY 17.45 billion, CNY 20.98 billion, and CNY 25.24 billion for 2026-2028, respectively, with corresponding EPS of CNY 2.20, CNY 2.69, and CNY 3.37. At the current price of CNY 86.05, the stock trades at approximately 39x 2026E P/E. Given the company’s platformization strategy, improving return on equity (ROE projected to rise from 8.4% in 2025 to 12.7% in 2028), and the high-growth potential of its semiconductor venture, we believe the current valuation does not fully reflect its long-term earnings power and strategic optionality.

Key Takeaways

1. Financial Performance Analysis: Revenue Resilience Amidst Margin Pressure

FY2025 Review:
Polymeric Materials reported FY2025 revenues of CNY 14.59 billion, representing a 16.86% year-over-year (YoY) increase. This top-line growth underscores the company’s ability to capture market share in a rapidly evolving PV landscape. However, bottom-line performance lagged, with Net Profit Attributable to Shareholders reaching CNY 420 million, a marginal 0.4% YoY increase. Deducting non-recurring items, the Net Profit was CNY 390 million, a 3.77% YoY decline.

*Note: Gross Profit derived from Revenue (14,593) - Cost of Goods Sold (13,524) as per Income Statement.

Dissecting the Cash Flow Anomaly:
A notable concern in the FY2025 report is the negative operating cash flow of CNY -3.07 billion, a significant deterioration from the prior year. Our analysis attributes this to three primary factors:
1. Silver Price Volatility: As silver is the primary raw material for conductive pastes, a sharp increase in silver prices necessitated higher cash outlays for inventory procurement.
2. Rapid Revenue Expansion: The 16.9% revenue growth led to a proportional increase in Accounts Receivable (AR) and Inventory. AR stood at CNY 5.47 billion, and Inventory at CNY 1.11 billion.
3. Strategic Financing Choice: Management opted to utilize existing credit facilities rather than supplier financing to minimize overall capital costs. This deliberate choice improved the balance sheet’s cost structure but temporarily depressed operating cash flow. We expect this to normalize as working capital turnover improves in 2026-2027.

Profitability Metrics:
The Gross Margin remained thin at 7.3%, typical for the paste manufacturing segment where raw material costs (silver) are pass-through but working capital intensive. The Net Margin was 2.8%. While these margins appear low, they are consistent with the industry standard for high-volume, low-margin intermediate materials. The key driver for future margin expansion lies in the upstream integration (silver powder production) and the higher-margin semiconductor business.

2. Core Business Driver: Photovoltaic Conductive Pastes

Market Position & Technological Leadership:
Polymeric Materials is a global leader in PV conductive pastes. The industry is currently undergoing a profound technological transition from PERC to N-type cells (TOPCon, HJT, and X-BC). This shift requires pastes with higher conductivity, finer line printing capabilities, and better compatibility with new wafer surfaces.

• Product Portfolio Breadth: The company has successfully launched a full suite of metallization solutions covering TOPCon, HJT, X-BC, silver-free, and perovskite technologies. This breadth ensures that regardless of which N-type technology dominates the market share in the coming years, Polymeric Materials remains a critical supplier.
• Iteration Speed: In the fast-paced PV industry, the ability to iterate products quickly is a competitive moat. The company’s R&D intensity (R&D expenses of CNY 255 million in 2025, approx. 1.7% of revenue) supports rapid customization for leading cell manufacturers.

New Growth Frontier: Space-Based Photovoltaics:
A distinct differentiator in our bullish thesis is the company’s early mover advantage in Space-Based Solar Power (SBSP) applications.
* Industry Context: The global commercial aerospace sector is accelerating, pushing space PV into a critical cycle of规模化 (scaled) development. Space environments present extreme challenges: high radiation, extreme temperature fluctuations, and strict weight constraints.
* Technical Requirements: Space PV modules require conductive pastes with exceptional extreme environment tolerance, low-temperature sintering capabilities, and lightweight adaptation. Standard terrestrial pastes fail under these conditions.
* Company Strategy: Polymeric Materials is actively developing aerospace-grade adapted products. By addressing these niche, high-barrier requirements, the company is not just selling a commodity but a specialized solution. This creates a new growth pole and reinforces its brand as a high-tech materials provider rather than a mere manufacturer. This segment, while currently small in revenue contribution, offers significantly higher margins and strengthens relationships with high-end clients.

3. Vertical Integration: Securing the Supply Chain

Jiangsu Deli Ju Project:
The completion and commissioning of the Jiangsu Deli Ju New Material High-End PV Electronic Material Base is a strategic milestone.
* Capacity: The facility has achieved an annual production capacity of 1,000 tons of electronic-grade silver powder.
* Strategic Implication: Silver powder constitutes the majority of the cost of goods sold for conductive pastes. Historically, high-purity electronic silver powder was dominated by foreign suppliers (e.g., from Japan and Germany). By internalizing this production, Polymeric Materials achieves:
1. Cost Control: Reduction in procurement premiums paid to external suppliers.
2. Supply Security: Mitigation of supply chain disruptions during periods of global silver shortage.
3. Quality Customization: Ability to tailor powder morphology (particle size, distribution) specifically for their paste formulations, enhancing product performance.

R&D Center for Powder Materials:
Concurrently, the company has established a global-leading powder material R&D center. Focus areas include:
* Nano-Silver Powder: Critical for fine-line printing in advanced HJT and X-BC cells.
* Copper Powder & Silver-Coated Copper: These are key enablers for "silver reduction" or "silver-free" technologies. As the industry seeks to reduce reliance on expensive silver, copper-based pastes are the most viable alternative. Polymeric Materials’ expertise here positions it to lead the next wave of cost-reduction innovations in the PV industry.

4. Strategic Expansion: Entry into Semiconductor Blank Masks

The Acquisition of SKE’s Blank Mask Business:
In a move to diversify beyond renewables, Polymeric Materials has entered the semiconductor materials sector. On September 9, 2025, the Board approved the acquisition of SKE’s blank mask business, with a Share Purchase Agreement signed on the same date.

Why Blank Masks?
* Critical Bottleneck: Photomasks are essential for transferring circuit patterns onto wafers during lithography. Blank masks are the substrate material used to make these photomasks. They require ultra-high precision, defect-free surfaces, and specific optical properties.
* High Barriers to Entry: The market for lithography-grade blank masks (especially for DUV-ArF and KrF nodes) is an oligopoly, dominated by a few global players (e.g., Hoya, Shin-Etsu, Toppan). Few companies possess the capability for mass production.
* Domestic Substitution Trend: China is aggressively expanding its wafer fabrication capacity. Concurrently, there is a strong national strategic push to localize key semiconductor materials to mitigate geopolitical risks. The demand for domestically produced, high-quality blank masks is structurally undersupplied.

Execution Plan:
* Technology Target: The company plans to enter the DUV-ArF (Argon Fluoride) and DUV-KrF (Krypton Fluoride) segments. These nodes cover a vast majority of current semiconductor production (from mature nodes to advanced logic/memory).
* Localization: Post-acquisition, Polymeric Materials plans to establish production facilities in Shanghai. This localizes capacity closer to major Chinese foundries (SMIC, Hua Hong, etc.), reducing logistics time and enhancing customer service responsiveness.
* Synergies: While seemingly disparate, the acquisition leverages the company’s existing expertise in high-purity material processing, coating technologies, and quality control. The operational excellence required for PV pastes translates well to the rigorous standards of semiconductor materials, albeit at a higher precision level.

Financial Impact:
This business is expected to be accretive to margins. Semiconductor materials typically command gross margins of 30-50%, significantly higher than the 7-8% seen in PV pastes. As this business scales from 2026 onwards, it will drive a structural improvement in the company’s overall profitability profile.

5. Earnings Forecast & Valuation

We project a strong recovery in earnings growth from 2026 onwards, driven by the normalization of working capital, the margin benefits of vertical integration, and the initial contributions from the semiconductor business.

Revenue Forecast:
* 2026E: CNY 17.45 billion (+19.6% YoY). Growth driven by continued TOPCon penetration and initial space PV contributions.
* 2027E: CNY 20.98 billion (+20.2% YoY). Acceleration from semiconductor mask production ramp-up.
* 2028E: CNY 25.24 billion (+20.3% YoY). Mature scale in both PV and Semiconductor segments.

Profitability Forecast:
* Net Profit Attributable: Expected to grow from CNY 420 million in 2025 to CNY 532 million in 2026 (+26.7%), CNY 650 million in 2027 (+22.2%), and CNY 817 million in 2028 (+25.6%).
* EPS: CNY 2.20 (2026E), CNY 2.69 (2027E), CNY 3.37 (2028E).
* ROE: Projected to improve steadily from 8.4% in 2025 to 12.7% in 2028, reflecting better asset utilization and higher-margin business mix.

Valuation Analysis:
At the current price of CNY 86.05:
* 2026E P/E: ~39x
* 2027E P/E: ~32x
* 2028E P/E: ~26x

Source: Huaxin Securities Research Estimates

Investment Justification:
While a 39x forward P/E may appear premium compared to traditional manufacturing peers, it is justified by:
1. Growth Visibility: Consistent 20%+ revenue and earnings growth forecasts.
2. Platform Premium: The market often assigns a higher multiple to companies successfully transitioning from a single-industry supplier to a multi-sector platform (PV + Semiconductor).
3. Scarcity Value: As one of the few domestic players entering the high-end blank mask market, Polymeric Materials enjoys a scarcity premium in the A-share market.
4. Margin Expansion Trajectory: The shift in business mix towards higher-margin semiconductor materials and self-supplied silver powder will likely lead to multiple re-rating as margins expand.

Risks / Headwinds

Investors should carefully consider the following risks, which could impact the company’s financial performance and stock price:

1. Photovoltaic Demand Uncertainty

• Global Policy Shifts: The PV industry is heavily influenced by government subsidies and trade policies (e.g., US IRA, EU Green Deal, Chinese domestic mandates). Any rollback in support or imposition of stringent trade barriers could dampen global installation rates.
• Technological Disruption: While the company is well-positioned in TOPCon/HJT, a sudden breakthrough in a competing technology (e.g., a radically different metallization method that bypasses silver/copper pastes entirely) could render existing product lines obsolete. However, the company’s R&D in perovskite and silver-free pastes mitigates this risk.

2. Raw Material Price Volatility (Silver)

• Price Fluctuation: Silver prices are subject to macroeconomic factors, industrial demand, and speculative trading. A sharp spike in silver prices increases working capital requirements and can squeeze margins if price pass-through mechanisms to customers are delayed or incomplete.
• Inventory Valuation: Significant fluctuations in silver prices can lead to inventory write-downs or gains, creating volatility in quarterly earnings. The negative operating cash flow in 2025 highlights the sensitivity of the balance sheet to silver price movements.

3. Semiconductor Business Execution Risk

• Integration Challenges: The acquisition of SKE’s blank mask business involves cross-border integration, technology transfer, and cultural alignment. Failure to effectively integrate these operations could delay production ramps.
• Qualification Cycle: Semiconductor materials have long qualification cycles (often 12-24 months) with foundries. Delays in customer certification for the Shanghai facility could push back revenue recognition and profitability from this segment.
• Technical Hurdles: Achieving the yield and defect density required for DUV-ArF/KrF blank masks is extremely difficult. If the company fails to meet the stringent quality standards of leading foundries, it may remain stuck in lower-margin, mature nodes.

4. Competitive Intensity

• PV Paste Market: The PV paste market is becoming increasingly competitive, with new entrants and existing competitors engaging in price wars to gain share. This could exert downward pressure on gross margins, offsetting the benefits of vertical integration.
• Semiconductor Materials: While the barrier is high, other Chinese firms are also attempting to enter the blank mask market. Intensifying domestic competition could erode the anticipated pricing power.

5. Macroeconomic and Systemic Risks

• Interest Rates: As a capital-intensive business with significant working capital needs, rising interest rates could increase financial costs, impacting net profit.
• Market Sentiment: Broad A-share market volatility or systemic risk events could depress valuations across the sector, regardless of individual company fundamentals.

Rating / Sector Outlook

Sector Outlook: Positive with Structural Differentiation

Photovoltaic Sector:
The global PV sector is transitioning from a phase of explosive capacity expansion to one of technological differentiation and efficiency optimization. The era of homogeneous competition is ending; winners will be those who can support N-type cell efficiencies and offer cost-effective, reliable materials. We maintain a Positive outlook on leaders who have secured technological moats and supply chain advantages. The emergence of space PV adds a novel, high-value dimension to the sector.

Semiconductor Materials Sector:
The Chinese semiconductor materials sector is in a Golden Age of Domestic Substitution. Driven by national security concerns and the expansion of local wafer fabs, there is a deterministic trend towards sourcing critical materials locally. Companies that can break through technical bottlenecks in high-end segments (like ArF/KrF masks) are poised for exponential growth. We maintain a Highly Positive outlook on this sub-sector.

Investment Rating: BUY (Initiation)

We assign a BUY rating to Polymeric Materials (688503.SH).

Rationale for Rating:
1. Resilient Core Business: The PV paste business provides a stable cash flow base and market leadership, with clear pathways to maintain relevance through N-type and space PV innovations.
2. High-Growth Optionality: The semiconductor blank mask business offers a compelling second growth curve with significantly higher margins and strategic importance.
3. Valuation Appeal: Despite the recent run-up, the forward P/E of 39x for 2026 is reasonable given the 26.7% expected earnings growth and the strategic value of the semiconductor entry. The PEG ratio (P/E to Growth) is approximately 1.5, which is attractive for a company with dual-engine growth drivers.
4. Improving Financial Health: We anticipate a normalization of operating cash flows in 2026 as working capital management improves and the benefits of the Jiangsu Deli Ju project (lower inventory costs) begin to materialize.

Target Price Implication:
Per Huaxin Securities’ rating definition, a "Buy" rating implies an expected return of >20% relative to the market index over the next 12 months. With a current price of CNY 86.05, this suggests a target price range exceeding CNY 103. This is supported by our 2026 EPS estimate of CNY 2.20. Applying a peer-average multiple for high-growth semiconductor material firms (often 45-50x) to the semiconductor portion of the business, and a standard manufacturing multiple (25-30x) to the PV portion, a sum-of-the-parts valuation supports a higher target.

Investment View

Strategic Transformation: From "Paste Maker" to "Electronic Material Platform"

Polymeric Materials is executing a sophisticated strategy to escape the commoditization trap often associated with PV auxiliary materials. By leveraging its core competencies in metallic powder processing, dispersion technology, and interface chemistry, the company is building a platform that spans both renewable energy and semiconductor industries.

The "Flywheel" Effect:
1. Scale in PV: Dominance in PV pastes provides the scale and cash flow to fund aggressive R&D.
2. Upstream Integration: Producing its own silver powder lowers costs and improves quality control, making the PV business more resilient.
3. Tech Spillover: The expertise gained in nano-powder handling and high-purity coating for PV is directly applicable to semiconductor blank masks.
4. High-Margin Diversification: Success in semiconductors boosts overall margins, allowing for further R&D investment, creating a virtuous cycle.

Key Catalysts to Monitor

1. Quarterly Cash Flow Recovery: Investors should closely watch the Operating Cash Flow in Q1/Q2 2026. A return to positive territory would confirm that the 2025 negative flow was a temporary working capital anomaly and not a structural issue.
2. Shanghai Facility Progress: Updates on the construction and equipment installation of the Shanghai blank mask production line. Any announcement of customer qualifications or trial shipments would be a major positive catalyst.
3. Silver Price Trends: A stabilization or moderate decline in silver prices would ease working capital pressure and potentially expand gross margins if selling prices remain sticky.
4. Space PV Contracts: Announcement of any commercial contracts or partnerships related to space-based solar power applications would validate the company’s high-end technological capabilities and open a new narrative for valuation.

Conclusion

Polymeric Materials presents a rare combination of current market leadership in a vital green energy component and future growth potential in a strategically critical semiconductor material. The FY2025 results, while showing margin pressure, hide the significant strategic progress made in upstream integration and diversification.

For institutional investors, the stock offers exposure to two megatrends: the global energy transition and the localization of China’s semiconductor supply chain. The risks are manageable, primarily revolving around execution and commodity prices, both of which the company is actively mitigating through vertical integration and technological diversification.

We recommend accumulating shares on weakness, with a 12-month horizon that allows the market to fully appreciate the earnings acceleration expected in 2026-2027 and the strategic value of the semiconductor platform. The initiation of a BUY rating reflects our confidence in management’s ability to execute this complex transformation and deliver superior shareholder returns.

Appendix: Detailed Financial Analysis

Balance Sheet Strengths and Weaknesses

Assets:
* Current Assets (CNY 10.29 bn in 2025): Composed largely of Accounts Receivable (CNY 5.47 bn) and Inventory (CNY 1.11 bn). The high AR level is a function of the B2B nature of the business and the credit terms extended to large PV module makers. While this ties up capital, the counterparties are generally creditworthy industry leaders.
* Non-Current Assets (CNY 1.68 bn in 2025): Relatively asset-light model compared to heavy manufacturing. The fixed assets (CNY 492 mn) are modest, reflecting the outsourcing of some heavy manufacturing steps or the recent nature of the Jiangsu facility which may still be partially capitalized or depreciated efficiently.

Liabilities:
* Short-Term Borrowings (CNY 5.78 bn): This is a significant liability line. It confirms the company’s reliance on bank financing to fund working capital. The interest expense (Financial Expenses of CNY 35 mn in 2025) is relatively low compared to the debt load, suggesting favorable credit terms. However, in a rising rate environment, this could become a headwind.
* Accounts Payable (CNY 535 mn): Notably lower than Short-Term Borrowings. This indicates that the company is not able to fully finance its operations through supplier credit, hence the need for bank loans. The strategy to use bank credit over supplier financing (as mentioned in the report) is reflected here.

Equity:
* Shareholder Equity (CNY 5.00 bn): Provides a solid buffer. The Debt-to-Equity ratio is manageable, though the high short-term debt requires careful liquidity management.

Cash Flow Statement Deep Dive

The Cash Flow Statement for 2025 reveals the operational reality behind the accrual-based profits.

• Net Income: CNY 412 mn.
• Adjustments: Depreciation (CNY 65 mn) and Fair Value Changes (-CNY 117 mn) are non-cash items.
• Working Capital Change: The massive -CNY 3.42 billion change in working capital is the primary driver of the negative operating cash flow. This consists of increases in AR and Inventory outpacing increases in AP.
• Financing Cash Flow: +CNY 3.21 billion. This large inflow confirms that the company raised debt/equity to fund the working capital gap. This is a sustainable model only if the working capital cycle shortens or if the high-margin semiconductor business generates sufficient cash to offset the PV working capital needs.

Forecast Improvement:
Our model predicts Operating Cash Flow to turn slightly positive in 2026 (CNY 47 mn) before dipping again in 2027/2028 due to continued growth investments. However, the quality of earnings should improve as the semiconductor business (likely with better payment terms or higher prepayments) contributes more to the mix.

Comparative Valuation Context

While a direct peer comparison is difficult due to the unique hybrid nature of Polymeric Materials (PV + Semi), we can look at segments:

1. PV Paste Peers: Typically trade at 15-25x P/E due to lower growth and margin expectations.
2. Semiconductor Material Peers (China): Often trade at 40-60x P/E due to high growth and strategic importance.

Polymeric Materials is currently valued at ~39x 2026E P/E. This places it at a discount to pure-play semiconductor material stocks but at a premium to pure-play PV material stocks. This "middle ground" valuation is appropriate for a transition story. As the semiconductor revenue share grows from <5% to potentially 15-20% by 2028, we expect the multiple to expand towards the semiconductor peer group average, providing multiple expansion upside in addition to earnings growth.

Management & Governance

The report highlights the strategic decisiveness of the Board, particularly in approving the SKE acquisition. The ability to pivot into a highly regulated and technically demanding sector like semiconductor masks demonstrates strong management vision. The analyst team notes the professional background of the leadership in navigating both chemical processing and high-tech electronics supply chains.

Final Thoughts for Institutional Investors

Polymeric Materials is not merely a bet on solar installations; it is a bet on China’s broader advancement in high-end electronic materials. The PV business funds the journey; the semiconductor business defines the destination.

For portfolios seeking exposure to the Energy Transition, this stock offers a safer, market-leading play than many smaller, unproven tech firms. For portfolios seeking Semiconductor Alpha, it offers a less volatile entry point than pure-play chipmakers, with the added benefit of cash flow from the PV division.

We advise investors to look beyond the headline FY2025 net profit figure and focus on the strategic positioning and 2026-2028 earnings trajectory. The temporary cash flow distortion is a price paid for rapid scaling and strategic optionality, which we believe will be rewarded by the market in the medium term.

Disclaimer:
This report is prepared by Huaxin Securities Co., Ltd. The information contained herein is derived from sources believed to be reliable, but Huaxin Securities does not guarantee its accuracy or completeness. The opinions expressed are those of the analyst at the time of writing and 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. Huaxin Securities and its affiliates may hold positions in the securities mentioned and may provide investment banking services to the companies covered.