Flat Glass Group (601865.SH): Q3 Earnings Stabilize; "Anti-Involution" Policies to Accelerate Profitability Recovery

Date: November 4, 2025
Analyst: Zeng Shuai (SAC: S0640522050001)
Rating: BUY (Maintained)
Current Price: CNY 18.89
Market Cap: CNY 44.26 Billion

Executive Summary

Flat Glass Group (601865.SH), a global leader in photovoltaic (PV) glass manufacturing, has demonstrated a significant inflection point in its operational performance during the third quarter of 2025. Despite facing headwinds from a broader industry slowdown and intense competition in the first half of the year, the company reported a robust recovery in Q3, driven by improved pricing dynamics, stringent inventory management, and the initial effects of national "anti-involution" (anti-excessive competition) policies.

In Q3 2025, Flat Glass achieved revenue of CNY 4.73 billion (+21.0% YoY, +29.2% QoQ) and attributable net profit of CNY 376 million, representing a staggering year-over-year increase of 285.5% and a quarter-over-quarter surge of 142.9%. Gross margin expanded by 10.8 percentage points year-over-year to 16.8%, while net margin improved by 13.2 percentage points to 8.1%. This turnaround underscores the company’s resilience and its ability to capitalize on supply-side corrections.

The broader PV glass sector is undergoing a structural adjustment. While downstream demand growth has moderated due to the front-loading of installations earlier in the year, supply-side discipline has intensified. Industry-wide capacity utilization dropped to 68.5% by September 2025, and daily melt volume decreased to 89,000 tons. Concurrently, prices for standard 2.0mm PV glass have rebounded from historic lows of ~CNY 10/sqm to ~CNY 13/sqm, approaching cost-recovery levels.

We maintain our BUY rating on Flat Glass Group. As the industry leader with superior cost structures—derived from large-scale kiln technology and high operational efficiency—the company is poised to benefit disproportionately from the industry’s profitability restoration. We project a "double click" effect on valuation as both earnings per share (EPS) and market share recover. Our forecasts indicate attributable net profits of CNY 933 million, CNY 1.65 billion, and CNY 2.52 billion for 2025, 2026, and 2027, respectively. At current levels, the stock trades at estimated P/E multiples of 47x, 26x, and 17x for the respective years, offering an attractive entry point for long-term investors anticipating the cyclical upturn.

Key Takeaways

1. Q3 2025 Performance: A Clear Signal of Operational Turnaround

The third quarter of 2025 marks a decisive shift from pressure to recovery for Flat Glass Group. After a challenging first half characterized by margin compression and revenue contraction, Q3 results highlight the effectiveness of the company’s strategic adjustments and the improving industry landscape.

Financial Highlights: Q3 vs. Prior Periods

Note: H1 figures are derived from the reported 9M totals minus Q3 data.

For the first nine months of 2025, Flat Glass reported total revenue of CNY 12.46 billion, a decline of 14.7% year-over-year. Attributable net profit stood at CNY 638 million, down 50.8% YoY. The overall gross margin for the 9-month period was 15.1% (down 3.9 pcts YoY), and net margin was 5.2% (down 3.7 pcts YoY). Operating cash flow for the period was CNY 2.26 billion, reflecting strong cash generation capabilities despite lower profitability.

However, the sequential improvement in Q3 is the critical narrative. The massive jump in net profit (+285.5% YoY) outpaced revenue growth (+21.0% YoY), indicating substantial operating leverage and margin expansion. This divergence confirms that the primary driver of value creation in Q3 was not just volume, but significantly improved unit economics.

Efficiency Metrics: Inventory Management

A key indicator of operational health is inventory turnover. By the end of September 2025, Flat Glass reduced its inventory turnover days to 37.49 days, a notable improvement from 47.59 days in the same period last year. This ~10-day reduction signifies:
1. Enhanced Demand Matching: Better alignment of production schedules with downstream module manufacturer requirements.
2. Reduced Holding Costs: Lower warehousing and capital tie-up costs, directly contributing to margin improvement.
3. Agile Response: The ability to adjust output quickly in response to price signals and policy directives.

This improvement in working capital efficiency supports the thesis that Flat Glass is not only benefiting from external price increases but is also internally optimizing its cost base.

2. Industry Dynamics: The Impact of "Anti-Involution" Policies

The PV industry in China has been grappling with "involution"—a term describing excessive, destructive competition leading to price wars, overcapacity, and eroded profitability across the supply chain. In response, regulatory bodies and industry associations have initiated coordinated efforts to stabilize the market, often referred to as "anti-involution" measures.

Supply-Side Contraction and Discipline

The most tangible evidence of these policies is the reduction in supply. According to iFinD data, the capacity utilization rate of PV glass enterprises fell to 68.5% by the end of September 2025, a significant drop from previous years and indicative of widespread production cuts. Furthermore, the daily in-operation melt volume decreased to 89,000 tons, down from 97,000 tons in September 2024.

This contraction is not accidental but strategic:
* Cold Repair & Maintenance: Many manufacturers have accelerated cold repairs of kilns, effectively taking capacity offline for extended periods.
* Delay in New Capacity: Commissioning of new production lines has been slowed or postponed in compliance with industry self-discipline guidelines.
* Exit of High-Cost Producers: Smaller players with older, less efficient kilns are being forced to reduce output or exit the market due to sustained losses.

Flat Glass Group has been a proactive participant in this consolidation. By voluntarily reducing supply and adhering to industry norms, the company helps stabilize prices while leveraging its cost advantage to maintain profitability even at lower utilization rates.

Price Recovery: From Bottoming Out to Stabilization

PV glass prices had been on a downward trajectory since 2021, reaching a cyclical bottom of approximately CNY 10/sqm for 2.0mm thickness. At this level, many producers were selling below cash cost, creating an unsustainable market environment.

Since September 2025, following the intensification of anti-involution actions, prices have rebounded to around CNY 13/sqm. While this remains near the cost line for many competitors, it represents a crucial psychological and financial threshold:
1. Stop-Loss Achievement: Prices have moved above the variable cost for most efficient producers, halting the bleeding of cash reserves.
2. Margin Restoration Potential: For low-cost leaders like Flat Glass, CNY 13/sqm allows for modest positive margins, which expand rapidly with any further price uptick or cost reduction.
3. Expectation Anchoring: The price stabilization anchors market expectations, encouraging downstream module makers to resume normal procurement patterns rather than engaging in destocking.

We view this price movement as the beginning of a sustainable recovery cycle, supported by genuine supply constraints rather than temporary speculative trading.

3. Downstream Demand: Short-Term Volatility vs. Long-Term Growth

While supply-side improvements are driving the immediate recovery, demand-side dynamics present a mixed picture in the short term.

Installation Slowdown in H2 2025

According to the National Energy Administration (NEA), China’s newly installed PV capacity reached 240.3 GW from January to September 2025, a year-over-year increase of 49.3%. However, the monthly data reveals a deceleration trend. In September 2025 alone, new installations were 9.7 GW, a decline of 53.8% compared to the same month last year.

Root Cause: Policy-Induced Front-Loading
The primary driver of this slowdown is the aftermath of "Document No. 136" (referenced in the report as the cause for rush installations). This policy likely introduced changes to grid connection subsidies, tariff structures, or approval processes that incentivized developers to accelerate projects in the first half of the year. Consequently, H1 2025 saw a surge in installations that temporarily透支 (overdrew) demand from H2.

Implications for PV Glass

The slowdown in downstream installations transmits pressure to the auxiliary materials sector, including PV glass. However, two factors mitigate the negative impact:
1. Inventory Normalization: The destocking phase in the module supply chain appears to be concluding. As module inventories normalize, procurement of glass will align more closely with actual installation rates rather than speculative buildup.
2. Global Demand Resilience: While domestic Chinese growth has moderated sequentially, global demand for renewable energy remains robust. Flat Glass’s export capabilities and international presence provide a hedge against domestic seasonal fluctuations.

Looking ahead to 2026 and 2027, we expect demand growth to re-accelerate as the base effect of the H1 2025 surge fades and long-term carbon neutrality targets continue to drive new project pipelines. The current slowdown is viewed as a temporary cyclical adjustment rather than a structural decline.

4. Competitive Advantage: Flat Glass’s Structural Moat

In a commoditized industry like PV glass, cost leadership is the definitive competitive advantage. Flat Glass Group possesses several structural moats that allow it to outperform peers during downturns and capture disproportionate upside during recoveries.

Technology Leadership: Large-Scale Kilns

Over 90% of Flat Glass’s kilns are 1,000-ton-class large kilns. This technological superiority translates into three key benefits:
1. Lower Unit Energy Consumption: Larger kilns have a better surface-area-to-volume ratio, resulting in significantly lower natural gas and electricity consumption per ton of glass produced. Given that energy constitutes a major portion of PV glass manufacturing costs, this is a critical cost driver.
2. Higher Yield Rates: Advanced kiln technology and automated control systems lead to higher quality consistency and fewer defects, increasing the effective output per unit of input material.
3. Economies of Scale: Fixed costs (labor, maintenance, administration) are spread over a larger production base, further reducing the average cost per square meter.

Cost Advantage in a Price-Constrained Market

When prices are at CNY 13/sqm, high-cost producers may break even or incur slight losses. Flat Glass, with its lower cost base, can generate healthy operating margins. This disparity allows Flat Glass to:
* Maintain positive cash flow while competitors struggle.
* Invest in R&D and capacity upgrades during downturns.
* Gain market share as weaker competitors exit or reduce output.

Market Share Trajectory

As of August 2025, Flat Glass’s actual production capacity was 16,400 tons/day, corresponding to a market share of approximately 18.5%. This is a slight decrease from its historical share of over 20%. However, this reduction was largely voluntary and strategic, aligned with the industry’s anti-involution goals.

We anticipate that as the industry stabilizes and Flat Glass continues to optimize its existing capacity and potentially introduce new high-efficiency lines, its market share will rebound. More importantly, the quality of its market share will improve, as it captures volume from higher-cost segments. We expect the company to enjoy a "Double Click" premium:
1. Profitability Repair: Margins expand as prices rise and costs remain controlled.
2. Market Share Recovery: Volume growth accelerates as demand picks up and competitors lag.

Risks / Headwinds

While the outlook is positive, investors must consider several risks that could impede the projected recovery or affect financial performance.

1. Macroeconomic and Demand Risks

• Global Economic Slowdown: A broader global recession could reduce investment in renewable energy projects, delaying PV installations worldwide.
• Domestic Policy Uncertainty: Changes in Chinese government subsidies, grid access policies, or land use regulations could impact the pace of domestic PV deployment. The recent slowdown in H2 2025 highlights the sensitivity of demand to policy timelines.
• Interest Rate Environment: High interest rates increase the cost of capital for PV project developers, potentially rendering some marginal projects uneconomical and suppressing demand for modules and glass.

2. Supply-Side and Competitive Risks

• Policy Execution Risk: The success of the "anti-involution" measures relies on industry-wide cooperation. If major players cheat on production cuts or if new unauthorized capacity enters the market, prices could collapse again.
• Technological Disruption: While unlikely in the short term, advancements in alternative PV technologies (e.g., thin-film, perovskite without glass encapsulation) could long-term threaten the dominance of crystalline silicon modules and their associated glass supply chain.
• Capacity Oversupply Persistence: If demand growth fails to keep pace with the existing vast capacity base, the industry may remain in a state of oversupply for longer than anticipated, keeping margins compressed.

3. Input Cost Volatility

• Raw Material Prices: The cost of soda ash, quartz sand, and natural gas are key inputs. Significant spikes in these commodities, particularly natural gas, could erode gross margins even if glass prices remain stable.
• Energy Costs: As a high-energy-intensity industry, Flat Glass is sensitive to fluctuations in electricity and fuel prices. Any removal of preferential energy tariffs for manufacturing could increase costs.

4. Company-Specific Risks

• Capacity Ramp-Up Delays: If Flat Glass faces delays in commissioning new high-efficiency lines or upgrading existing ones, it may miss out on volume growth opportunities.
• Operational Issues: Unplanned kiln outages or quality control issues could disrupt supply and damage customer relationships.
• Financial Leverage: While the balance sheet is manageable, significant debt levels require consistent cash flow generation. A prolonged downturn could strain liquidity.

Rating / Sector Outlook

Sector Outlook: Neutral to Positive (Turning Point)

The PV glass sector is currently at a cyclical inflection point. The combination of aggressive supply-side discipline, policy support against excessive competition, and price stabilization suggests that the worst of the downturn is behind us.

• Short-Term (6-12 months): We expect gradual improvement in profitability as prices stabilize above cost lines and inventory levels normalize. The sector will likely remain fragmented, with consolidation accelerating among smaller players.
• Medium-Term (1-3 years): As global PV demand resumes its long-term growth trajectory and supply growth remains constrained, we anticipate a healthier supply-demand balance. Leading companies with cost advantages will see significant earnings expansion.

We view the sector as transitioning from a "price war" phase to a "profitability repair" phase. Investors should focus on companies with strong balance sheets, low-cost structures, and technological leadership.

Investment Rating: BUY (Maintained)

We maintain our BUY rating on Flat Glass Group (601865.SH).

Rationale:
1. Proven Resilience: Q3 2025 results demonstrate the company’s ability to navigate downturns and capitalize on early signs of recovery.
2. Cost Leadership: Structural cost advantages provide a safety margin and upside leverage.
3. Policy Tailwinds: Beneficiary of national efforts to stabilize the PV supply chain.
4. Valuation Appeal: Current valuation reflects past distress but does not fully price in the potential for earnings recovery in 2026-2027.

Investment View

1. Financial Forecast and Valuation Analysis

Based on our analysis of industry trends, company guidance, and historical performance, we have updated our financial projections for Flat Glass Group for the years 2025 through 2027.

Key Financial Assumptions

• Revenue Growth: We project a decline in 2025 revenue due to the H1 slowdown and lower average selling prices (ASPs). However, we forecast a recovery in 2026 (+14.0%) and stronger growth in 2027 (+22.0%) as volumes increase and prices stabilize.
• Margin Expansion: Gross margins are expected to improve from 16.0% in 2025 to 17.5% in 2026 and 18.9% in 2027, driven by higher ASPs, better capacity utilization, and continued cost optimization.
• Expense Control: Selling, general, and administrative expenses (SG&A) are expected to remain well-controlled as a percentage of revenue, leveraging operating scale.
• Tax Rate: We assume a stable effective tax rate consistent with historical averages and high-tech enterprise status benefits.

Profit and Loss Forecast (2025E - 2027E)

Source: AVIC Securities Research Institute Estimates

Valuation Metrics

Valuation Commentary:
At the current price of CNY 18.89, the stock trades at a forward P/E of ~47x for 2025. While this appears elevated, it is important to contextualize this multiple against the depressed earnings base of 2025. The more relevant metric is the 2026 and 2027 forward P/E of 26x and 17x, respectively. These multiples are reasonable for a market leader in a growing industry, especially given the expected earnings CAGR of over 50% from 2025 to 2027.

The P/B ratio of ~2.0x is consistent with historical averages and reflects the asset-heavy nature of the business. The projected improvement in ROE from 4.17% in 2025 to 9.93% in 2027 supports a stable or slightly expanding P/B multiple.

2. Balance Sheet and Cash Flow Health

Flat Glass maintains a robust balance sheet, providing flexibility to navigate the cycle and invest in future growth.

Balance Sheet Highlights (2025E - 2027E)

Note: Debt-to-Asset ratio calculated as Total Liabilities / Total Assets.

Key Observations:
* Deleveraging Trend: We project a significant reduction in total liabilities from CNY 21.1 billion in 2024 to CNY 10.8 billion in 2027. This is driven by strong operating cash flows and a strategic reduction in long-term borrowings.
* Improved Liquidity: Monetary funds are expected to grow from CNY 3.5 billion in 2025 to CNY 6.7 billion in 2027, enhancing the company’s ability to fund capex and withstand shocks.
* Asset Optimization: The reduction in total assets reflects the depreciation of older assets and a more efficient asset base, contributing to higher Return on Assets (ROA).

Cash Flow Analysis

Key Observations:
* Strong Operating Cash Generation: Operating cash flow is projected to remain robust, exceeding CNY 6 billion annually. This confirms the quality of earnings and the company’s ability to convert profits into cash.
* Reduced Capex Intensity: Investing cash outflows are decreasing, indicating a shift from aggressive capacity expansion to optimization and maintenance. This reduces free cash flow pressure.
* Negative Financing Cash Flow: The company is actively repaying debt and reducing reliance on external financing, a sign of financial maturity and strength.

3. Strategic Drivers for Future Growth

Beyond the cyclical recovery, several strategic initiatives position Flat Glass for long-term success:

A. Technological Innovation and Product Mix Upgrade

Flat Glass is continuously investing in R&D to improve product performance. Key areas include:
* Thinner Glass: Development and mass production of ultra-thin glass (e.g., 1.6mm) for lightweight modules, which commands a premium and meets the needs of specific installation scenarios (e.g., rooftops, BIPV).
* High-Transmittance Coatings: Advanced coating technologies that increase light transmission and module efficiency, adding value for downstream customers.
* Dual-Glass Modules: Promoting dual-glass module solutions, which use two layers of glass instead of a backsheet, increasing durability and lifespan. This trend directly increases glass content per MW of installed capacity.

B. Global Expansion and Diversification

While China remains the largest market, Flat Glass is expanding its global footprint to mitigate regional risks and capture international growth.
* Overseas Production: Establishing or expanding production facilities in key markets (e.g., Southeast Asia, potentially Europe or the US, subject to trade policies) to serve local demand and avoid trade barriers.
* Export Channels: Strengthening relationships with global module manufacturers who export finished products, ensuring steady demand for Flat Glass’s exports.

C. Vertical Integration and Supply Chain Security

Flat Glass is exploring opportunities to secure upstream raw materials, such as high-purity quartz sand and soda ash. Securing stable and cost-effective supplies of these inputs further enhances its cost advantage and protects against supply chain disruptions.

4. Comparative Analysis: Why Flat Glass?

In the context of the PV glass sector, investors often compare Flat Glass with its main competitor, Xinyi Solar. While both are leaders, Flat Glass offers distinct advantages in the current environment:

Flat Glass’s superior technology stack translates directly to better margins in a price-sensitive market. Its proactive stance on "anti-involution" also positions it favorably with regulators and industry bodies, potentially granting it first-mover advantages in future policy-supported initiatives.

5. Investment Strategy and Catalysts

Recommended Strategy

We recommend accumulating positions in Flat Glass Group at current levels, with a medium-to-long-term horizon (12-24 months). The stock is suitable for investors seeking exposure to the renewable energy transition with a focus on high-quality, market-leading manufacturers.

Key Catalysts to Monitor

1. Sustained Price Increases: Further upward movement in PV glass prices above CNY 13/sqm would significantly boost earnings estimates.
2. Capacity Utilization Data: Monthly data showing sustained low utilization rates across the industry would confirm supply discipline.
3. Downstream Demand Recovery: Evidence of accelerating PV installations in China and globally in H1 2026.
4. Policy Announcements: Specific government measures supporting PV industry consolidation or providing incentives for high-efficiency modules.
5. Quarterly Earnings Beats: Continued outperformance in quarterly reports, particularly in gross margin and operating cash flow.

Target Price Considerations

While a specific target price is not explicitly provided in the source text, the valuation framework suggests significant upside. Based on a 2026 EPS estimate of CNY 0.71 and applying a target P/E multiple of 30-35x (consistent with growth leaders in the renewable sector during recovery phases), the implied fair value range is CNY 21.3 – CNY 24.85. This represents a potential upside of 13% to 31% from the current price of CNY 18.89, excluding dividend yields.

Detailed Financial Appendix

Income Statement Analysis (Historical & Forecast)

The income statement reflects the cyclical nature of the business. The sharp decline in 2024 and 2025E revenue and profit is attributed to price wars and oversupply. The recovery in 2026E and 2027E is driven by volume growth and margin expansion.

• Revenue: The projected decline of 15.5% in 2025 is conservative, accounting for the H2 slowdown. The 14% growth in 2026 assumes a return to normal demand growth rates.
• Cost of Goods Sold (COGS): COGS is expected to decrease in absolute terms in 2025 due to lower production volumes and lower raw material costs, but will rise in 2026-2027 with volume. The key metric is the Gross Margin %, which is forecast to expand steadily.
• Operating Expenses: SG&A expenses are kept lean, reflecting management’s focus on efficiency. R&D expenses remain stable, ensuring technological competitiveness.
• Non-Operating Items: Asset impairment losses, which were significant in 2024 (-356 million), are expected to decrease in 2025E (-205 million) and further in subsequent years as the asset base becomes more efficient and obsolete capacity is written off.

Balance Sheet Strengths

• Current Ratio: With current assets of CNY 12.1 billion and current liabilities of CNY 6.8 billion in 2025E, the current ratio is ~1.78x, indicating strong short-term liquidity.
• Debt Structure: The shift from short-term to long-term debt management, and the overall reduction in debt, lowers interest expense risk. Financial expenses are projected to drop from CNY 491 million in 2025E to CNY 117 million in 2027E, directly boosting net profit.

Cash Flow Sustainability

The projection of positive and growing operating cash flows (CNY 6.2B to CNY 8.5B) is critical. It demonstrates that the company’s profits are cash-backed. This cash generation supports:
1. Debt Repayment: Reducing financial risk.
2. Dividends: Potential for increased shareholder returns in the future.
3. Strategic Investments: Funding R&D and selective capacity upgrades without excessive borrowing.

Conclusion

Flat Glass Group stands at the forefront of the PV glass industry’s recovery. The third quarter of 2025 served as a pivotal confirmation of its operational resilience and the effectiveness of industry-wide supply-side reforms. With a robust cost structure, technological leadership, and a strengthening balance sheet, the company is well-positioned to capitalize on the impending upcycle.

The "anti-involution" policies have successfully halted the destructive price war, allowing prices to stabilize and margins to begin repairing. While short-term demand fluctuations persist, the long-term fundamentals of the solar energy sector remain intact. Flat Glass’s ability to generate strong cash flows, reduce debt, and maintain market share during this downturn underscores its quality as a core holding in the renewable energy sector.

We reiterate our BUY rating. Investors should view the current valuation as an opportunity to enter a high-quality asset before the full realization of its earnings recovery in 2026 and 2027. The combination of profitability repair and market share consolidation offers a compelling risk-reward profile.

Disclaimer and Analyst Certification

Analyst Certification:
The analyst responsible for this report, Zeng Shuai (SAC: S0640522050001), certifies that the views expressed in this report accurately reflect his personal views about the subject securities and issuers. No part of the analyst's compensation was, is, or will be directly or indirectly related to the specific recommendations or views expressed in this report.

Important Disclosures:
* Investment Rating Definitions:
* BUY: Expected return > 10% relative to CSI 300 Index over the next 6 months.
* OUTPERFORM: Expected return 5%-10% relative to CSI 300 Index.
* HOLD: Expected return -10% to +5% relative to CSI 300 Index.
* SELL: Expected return < -10% relative to CSI 300 Index.
* Sector Rating Definitions:
* OVERWEIGHT: Sector growth expected to exceed CSI 300 Index.
* NEUTRAL: Sector growth expected to match CSI 300 Index.
* UNDERWEIGHT: Sector growth expected to lag CSI 300 Index.

Risk Warning:
Investors should make independent investment decisions and bear the associated risks. Any written or oral promise to share investment gains or losses is invalid. The information contained in this report is sourced from reliable public information, but AVIC Securities does not guarantee its accuracy or completeness. The report is for reference only and does not constitute an offer to sell or a solicitation of an offer to buy any securities.

Copyright:
This report is copyrighted by AVIC Securities Co., Ltd. Unauthorized reproduction, distribution, or citation is prohibited.

Appendix: Detailed Financial Tables

Table 1: Historical and Projected Income Statement (CNY Million)

Table 2: Historical and Projected Balance Sheet (CNY Million)

Table 3: Historical and Projected Cash Flow Statement (CNY Million)

Table 4: Key Financial Ratios

Source: iFinD, AVIC Securities Research Institute

Contact Information

AVIC Securities New Energy Team
* Chief Analyst: Zeng Shuai
* SAC License: S0640522050001
* Email: zengshuai@avicsec.com
* Phone: [Contact via Sales Team]

Sales Team Contacts:
* Chen Yidan: 18611188969, chenyd@avicsec.com (S0640125020003)
* Li Yuqi: 18674857775, liyuq@avicsec.com (S0640119010012)
* Li Youlin: 18665808487, liyoul@avicsec.com (S0640521050001)
* Li Ruoxi: 17611619787, lirx@avicsec.com (S0640123060013)

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