PERC电池即钝化发射极和背面接触电池，是在常规晶体硅电池基础上，通过在电池背面增加钝化层与 局部接触结构改良而来的高效光伏电池技术。其核心是利用钝化层减少背面载流子复合，同时保留局部 接触实现电流收集，在提升光电转换效率的同时兼顾工艺兼容性，是当前光伏市场主流的高效电池技术 之一。 PERC电池产业链层级清晰且协同紧密。上游以硅料、硅片及银浆等辅材为主，国产化企业保障原材料 稳定供应；中游聚焦电池片制造与组件封装，头部企业主导产能且推动技术优化；下游对接各类光伏电 站与储能场景，分布式光伏等需求拉动行业增长。整体呈现国产化率高、集中度提升态势，同时逐步向 与N型技术协同、绿色化生产的方向演进。 2024年中国PERC电池行业产量达176千兆瓦，虽较2023年仍有一定规模延续，但已呈现结构性调整特 征。尽管PERC技术效率逼近理论极限，市场占比从2023年的85%大幅回落至2024年底的5%以下，但凭 借成熟工艺与成本优势，其产量仍支撑着光伏市场的基础需求，同时部分产能正逐步升级为Topcon技 术，实现平稳过渡。 2025年国内PERC电池行业呈头部集中的梯队化竞争格局。第一梯队为通威、隆基等龙头，合计主导 ...

Summary of the Solar Industry Conference Call Industry Overview - The solar photovoltaic (PV) industry in China has undergone three key phases: subsidy-driven growth, grid parity, and policy support, significantly increasing the share of renewable energy generation and domestic installed capacity [2][5][12]. Key Points and Arguments - **Market Growth and Policy Impact**: The introduction of large-scale renewable energy projects, such as the desert wind and solar base projects, has significantly boosted renewable energy generation in China [2]. - **International Market Dynamics**: The U.S. has increased its investment tax credit (ITC) to 30%, reflecting its commitment to renewable energy, despite trade barriers against Chinese products [2][6]. - **Technological Advancements**: The shift from multi-crystalline to mono-crystalline silicon has reshaped the market, with companies like LONGi Green Energy emerging as leaders. The TOPCon technology, led by JinkoSolar, is accelerating the phase-out of PERC technology [2][7][11]. - **Future Demand Projections**: By 2050, solar energy is expected to account for 50% of renewable energy generation, driven by government investment plans [2][9]. Industry Challenges - **Overcapacity and Price Wars**: The industry is currently facing challenges related to overcapacity and price wars, necessitating further policy support to stabilize prices [4][20]. - **Global Market Fluctuations**: The global PV market has seen a surge in demand since 2020, but the industry must navigate the impacts of international trade policies and competition [15][17]. Technological Developments - **Battery Technology Evolution**: The transition from PERC to TOPCon technology is significant, with companies like LONGi and Aiko leading in new battery technologies. However, the current overcapacity may hinder the profitability of these advancements [10][11][21]. - **Material Costs**: The prices of key materials such as silicon, glass, and encapsulants have risen due to increased demand and supply chain constraints [15][16]. Market Forecasts - **Installed Capacity Predictions**: Global installed capacity is projected to reach 610 GW by 2025, with a year-on-year growth of 13%. However, domestic demand may face pressure in 2026 due to policy changes [19]. - **Long-term Growth Outlook**: The solar market is expected to maintain a growth rate of 10%-15% in the coming years, with a stable domestic demand anticipated post-2026 [19]. Conclusion - The solar PV industry is poised for significant growth driven by technological advancements and supportive policies. However, challenges such as overcapacity and international trade dynamics must be addressed to ensure sustainable profitability and market stability [20].

Core Viewpoint - The two major photovoltaic giants, Longi Green Energy and JinkoSolar, have reached a "historic reconciliation" by settling their patent litigation, marking a significant shift from conflict to collaboration in the industry [1][3][4]. Group 1: Patent Litigation Background - Since early 2024, Longi Green Energy and JinkoSolar have engaged in mutual lawsuits, with each company acting as both plaintiff and defendant [2][5]. - The disputes stem from rapid technological advancements in the photovoltaic sector, with Longi leading in monocrystalline silicon wafers and high-efficiency cells, while Jinko has advantages in module integration and N-type battery technology [2][5]. - The reconciliation is seen as a means to end internal strife and foster collaboration to address global uncertainties in the market [2][6]. Group 2: Financial Performance and R&D Investment - In the first half of 2025, JinkoSolar reported revenue of 31.83 billion yuan, a year-on-year decline of 32.63%, while Longi Green Energy achieved revenue of 32.81 billion yuan, down 14.83% [7]. - Both companies have significantly invested in R&D, with combined expenditures reaching 14.62 billion yuan in 2023, highlighting their commitment to innovation [8]. - Longi has over 3,500 authorized patents, while Jinko has applied for more than 5,500 patents, with 75% being invention patents [8]. Group 3: Industry Implications and Future Outlook - The reconciliation sets a precedent for sustainable intellectual property partnerships in the photovoltaic industry, encouraging a healthier competitive environment [6][9]. - Both companies plan to enhance R&D efforts and accelerate the commercialization of advanced technologies, indicating a shift towards differentiated value competition rather than price wars [6][7]. - The industry is expected to recover from current low profitability cycles, with a focus on technological breakthroughs as a key driver for future growth [8][9].

Core Insights - The photovoltaic and wind power industries are rapidly transforming the global energy landscape, with solar power costs dropping over 90% in the past decade, making it the most competitive clean energy source [1] - Innovations such as PERC cells, heterojunction technology, and perovskite cells are driving continuous breakthroughs in photovoltaic conversion efficiency [1] - The integration of digital technologies is becoming a core support for the large-scale application of renewable energy [3] Photovoltaic Industry - Distributed solar power is turning urban rooftops into micro power stations, while household systems are promoting energy independence in rural areas [1] - Large solar power bases in desert areas are creating a complete industrial chain from technology research and development to end-user applications [1] Wind Power Industry - The onshore wind turbine capacity has surpassed 6 megawatts, and offshore models are advancing beyond 10 megawatts [3] - Smart control systems enable wind turbines to sense wind speed and automatically adjust, maximizing wind energy capture [3] - The maturity of floating offshore wind technology is extending development into deep-sea areas [3] Digital Integration - AI algorithms are optimizing solar panel angles in real-time, increasing efficiency by 12% in Qinghai's solar industry park [3] - Virtual power plant platforms in Germany aggregate thousands of households' solar and storage devices for electricity trading [3] - China's State Grid's new energy cloud platform connects the largest scale of renewable energy station data globally, controlling generation prediction errors within 3% [3] Impact on Internet Industry - Data centers, which account for 2% of global electricity consumption, are exploring sustainable energy solutions [4] - Microsoft is submerging data centers underwater for cooling, while Google is building wind-powered data centers in Northern Europe [4] - China's "East Data West Computing" project is positioning computing centers in areas rich in wind and solar resources [4]

Core Viewpoint - The article discusses the ongoing patent wars in the photovoltaic (PV) industry, emphasizing the shift from an incremental growth phase to a competitive landscape where companies are focusing on retaining advanced production capacity and eliminating outdated capacity. Patents are seen as a crucial tool in this "anti-involution" strategy [1]. Group 1: Patent Litigation Overview - The patent litigation between JinkoSolar and LONGi Green Energy is highlighted as a significant ongoing conflict in the PV sector, with a need to assess the patent situations of the top 10 companies in terms of module shipments [3]. - Since 2019, the patent wars in the PV industry have been continuous, with only two companies, GCL-Poly and Hengdian East Magnetic, not involved in any patent litigation [3]. - Tongwei Co., while rapidly rising in the top 10, has had minimal patent litigation exposure, primarily due to its dual leadership in silicon materials and cells [3]. Group 2: Patent Application Statistics - Trina Solar leads in patent applications with 7,219 patents, followed by JinkoSolar and LONGi Green Energy in second and third places, respectively [7]. - Canadian Solar, despite facing multiple patent infringement lawsuits, has a substantial patent application count of 4,669, placing it among the top tier of PV companies [7]. - GCL-Poly has a relatively low patent application count, while Hengdian East Magnetic has over 3,700 patents, but only 681 are related to PV technology, making it the lowest among the top 10 [7]. Group 3: Patent Validity and Status - LONGi Green Energy holds the highest number of valid patents at 3,900, while Trina Solar has 3,448 valid patents, and JinkoSolar has 2,449 [10]. - The analysis shows that Yida New Energy has the lowest percentage of expired patents at 3%, while GCL-Poly and Canadian Solar have high expiration rates of 40% and 32%, respectively [10]. - The proportion of pending patents indicates that Trina Solar has over 33% pending, while Hengdian East Magnetic and JinkoSolar have around 30% [10]. Group 4: Patent Types and Quality - JinkoSolar and Trina Solar have the highest number of invention patents, with JinkoSolar's invention patents making up 70% of its total applications [12]. - GCL-Poly's patent applications are primarily domestic, with minimal international presence, indicating a focus on the domestic market [17]. - GCL-Poly has a total of 1,138 patent applications, with 519 being valid, but a significant number of low-value patents have been abandoned or rejected [19]. Group 5: Legal Events and Patent Management - GCL-Poly has engaged in various legal events related to its patents, including transfers and acquisitions, indicating active management of its patent portfolio [25]. - Hengdian East Magnetic has also seen significant patent pledges, with over 75 patents pledged for financing, reflecting a strategic approach to leveraging its patent assets [38]. - The company has a relatively high number of invention patents, with 445 out of 681 total patents, indicating a focus on high-quality innovations [35]. Group 6: Strategic Insights and Recommendations - Both GCL-Poly and Hengdian East Magnetic have lower overall patent strengths compared to leading companies like JinkoSolar and LONGi Green Energy, which may impact their competitive positioning [42]. - GCL-Poly's strategy of acquiring external patents could enhance its litigation capabilities, while Hengdian East Magnetic's effective maintenance of patent validity is crucial for future legal defenses [42]. - The article suggests that PV companies should enhance innovation and proactively manage patent risks to minimize litigation exposure [45].

Group 1 - The company's stock price on August 7 was 42.60 yuan, down 0.60 yuan from the previous trading day, representing a decline of 1.39% [1] - The trading volume on that day was 57,250 hands, with a transaction amount of 245 million yuan [1] - The company specializes in the research, production, and sales of photovoltaic cells, including PERC and TOPCon cells, and has a production base in Hainan [1] Group 2 - On August 7, the net outflow of main funds was 37.1452 million yuan, with a cumulative net outflow of 98.5338 million yuan over the past five trading days [1] - The current total market value of the company is 12.464 billion yuan, and the circulating market value is 9.579 billion yuan [1]

Group 1 - The stock price of Yicheng Photovoltaic closed at 3.70 yuan on July 31, down 0.25 yuan, a decrease of 6.33% from the previous trading day [1] - The trading volume on that day was 1.652 million hands, with a transaction amount of 616 million yuan [1] - Yicheng Photovoltaic's main business includes the research, production, and sales of photovoltaic cells and modules, operating in the photovoltaic equipment industry [1] Group 2 - The company has two major production bases located in Changzhou and Chuzhou, with primary products including PERC cells and TOPCon cells [1] - On July 31, the company announced that its controlling shareholder, Weizhi Energy, had 200 million unrestricted circulating shares auctioned, with 50 million shares sold for 152 million yuan [1] - If the shareholding change is completed, Weizhi Energy's shareholding ratio will decrease from 16.90% to 12.67% [1] Group 3 - In the first quarter of 2025, the company achieved an operating income of 608 million yuan, with a net profit attributable to shareholders of a loss of 53.14 million yuan [1] - On July 31, the net outflow of main funds was 97.1847 million yuan, accounting for 2.22% of the circulating market value [1]

Group 1 - The stock price of JunDa Co., Ltd. closed at 45.16 yuan on July 30, down by 1.02 yuan, representing a decline of 2.21% [1] - The trading volume on that day was 74,700 hands, with a transaction amount of 341 million yuan [1] - JunDa Co., Ltd. specializes in the research, production, and sales of photovoltaic cells, with key products including PERC and TOPCon cells, holding a significant market position in the BC and TOPCon cell technology sectors [1] Group 2 - A temporary shareholders' meeting is scheduled for July 31, 2025, to discuss important proposals including increasing registered capital, amending the company’s articles of association, adjusting independent director remuneration, reappointing auditing firms, and electing a new board of directors [1] - On July 30, the net outflow of main funds was 38.8357 million yuan, accounting for 0.38% of the circulating market value [1]

Core Viewpoint - The photovoltaic industry is experiencing positive policy signals aimed at promoting high-quality development and addressing issues of overcapacity and disorderly competition [1] Group 1: Policy Signals - The Central Financial Committee's sixth meeting highlighted the need to accelerate the exit of backward production capacity and promote high-quality industry development [1] - Leading photovoltaic glass companies have announced a 30% production cut starting in July to alleviate structural pressures in the industry [1] - The Ministry of Industry and Information Technology (MIIT) held a meeting with key manufacturing enterprises to emphasize product quality and enhance industrial structure efficiency [1] Group 2: Price Trends - The average price of polysilicon dense material remains stable at 35.0 yuan/kg, while N-type 182 and 210 silicon wafer prices decreased by 0.020 yuan/W and 0.050 yuan/W respectively [2] - PERC battery prices remained stable at 0.035 USD/W, while TOPCON battery prices decreased by 0.015 yuan/W [2] - The average price of double-glass HJT components is 0.83 yuan/W, with no significant changes in other component prices [2] Group 3: Market Performance - The photovoltaic sector's performance from June 27 to July 4 showed a 0.79% change, underperforming the CSI 300 index by 0.23 percentage points [3] - Year-to-date, the photovoltaic sector has a cumulative change of -3.87%, lagging behind the CSI 300 index by 8.70 percentage points [3] - As of July 4, the TTM overall valuation of the photovoltaic sector is 18.95 times, ranking in the lower middle compared to other sectors [3]

Meeting Overview - The 37th meeting of the 9th Board of Directors of Shanghai Aishuo New Energy Co., Ltd. was held on June 20, 2025, with all 7 directors present, and the meeting was conducted in accordance with relevant laws and regulations [2][3]. Resolutions Passed - The board approved the adjustment of the 2023 plan for issuing A-shares to specific targets, with a unanimous vote of 7 in favor [3][14]. - The board also approved the third revised draft of the 2023 plan for issuing A-shares to specific targets, again with a unanimous vote [6][16]. - The board passed the third revised draft of the analysis report on the 2023 plan for issuing A-shares to specific targets, with all votes in favor [7][17]. - The feasibility analysis report for the use of funds raised from the 2023 A-share issuance was also approved unanimously [9][18]. - The board approved the second revised draft of the measures to mitigate the dilution of immediate returns from the 2023 A-share issuance, with all votes in favor [10][25]. Adjustments to A-Share Issuance Plan - The company adjusted the number of shares to be issued to not exceed 547,893,181 shares, which is approximately 30% of the total share capital before the issuance [19][20]. - The adjustment was made due to historical stock incentive plans and other factors affecting the total share capital [20][21]. - The other contents of the issuance plan remain unchanged, and the plan requires approval from the Shanghai Stock Exchange and the China Securities Regulatory Commission before implementation [21][22]. Necessity and Reasonableness of the Issuance - The issuance is deemed necessary to expand the production capacity of ABC batteries, which are crucial for meeting the growing market demand for N-type batteries [31]. - The company has a well-established talent management system and a professional team to support the implementation of the fundraising projects [32][33]. - The company has accumulated significant technological strength in solar cell manufacturing, which will aid in the successful execution of the fundraising projects [34][35]. Measures to Mitigate Dilution of Immediate Returns - The company plans to accelerate the construction of fundraising projects to achieve expected goals more quickly [37]. - It will also manage funds effectively to enhance overall profitability and ensure that the fundraising projects and existing business can drive each other’s growth [38]. - The company aims to improve operational management and internal controls to provide a solid institutional guarantee for its development [39]. Stock Incentive Plan - The company completed the registration of the first grant of restricted stock under the 2025 stock incentive plan, with a total of 13.13 million shares granted at a price of 5.68 yuan per share [45][46]. - The stock incentive plan aims to enhance employee motivation and align their interests with those of the shareholders [45][46].