Core Insights - The Chinese perovskite industry is transitioning from laboratory innovation to large-scale production, achieving significant breakthroughs in technology development, production line construction, and commercial application [1][10][21] - In 2023, the industry achieved a laboratory efficiency of over 26% for single-junction cells, established seven 100MW production lines, and reduced component costs to 0.5 yuan/W [1][10] - With the commissioning of production lines by GCL-Poly and Xinao Photovoltaic, the industry is expected to enter a capacity explosion phase, with planned capacity exceeding 2GW by 2025 and actual annual capacity potentially surpassing 40GW by 2030, capturing nearly 10% of the photovoltaic market [1][10] Industry Overview - Perovskite is a class of functional materials with a specific crystal structure, which can be customized for photovoltaic, optoelectronic, and magnetic applications [1] - The perovskite industry has formed a relatively complete industrial chain, covering upstream raw materials and equipment, midstream battery/component manufacturing, and downstream application scenarios [7][21] Development History - The Chinese perovskite industry has evolved from technology catch-up to global leadership, with key milestones from 2013 to 2023, including the establishment of the first 100MW production line and significant cost reductions [5][10] Current Industry Status - The industry is in a critical transition phase towards large-scale production, with major breakthroughs in technology, production capacity, and commercial applications [10][12] - The industry is characterized by rapid capacity expansion and innovation in application scenarios, particularly in building-integrated photovoltaics (BIPV) and mobile energy solutions [12][21] Competitive Landscape - The competitive landscape features leading companies like GCL-Poly, LONGi Green Energy, and Xinao Photovoltaic, which are accelerating the commercialization of perovskite technology [14][17] - The industry is witnessing a dual-track competition between traditional silicon photovoltaic leaders and emerging perovskite-focused companies [14][17] Future Trends - The perovskite industry is expected to experience accelerated industrialization driven by technological breakthroughs and efficiency improvements [21][24] - The diversification of application scenarios and the collaborative development of the industrial chain will further enhance market demand [22][23] - Policy support and capital investment are crucial for the industry's ecosystem development, with significant funding expected in the coming years [24]

Core Viewpoint - The photovoltaic industry has not seen effective competition in the past year, with severe price wars leading to little meaningful outcomes in the foreseeable future [1] Industry Summary - The leading companies in the photovoltaic silicon material sector are engaging in consolidation efforts, with significant financial backing required, amounting to hundreds of billions [1] - Top enterprises currently hold 60%-70% of the total silicon material production capacity in the industry [1] - Leading companies, such as GCL-Poly and Tongwei, have reached agreements and are in discussions with smaller manufacturers, with initial contacts being made at the national level to address potential support from banks and other institutions [1] - If the consolidation strategy is successful, leading companies will incur substantial debt, but it is expected to restore silicon material prices to a reasonable profit level, helping the entire industry navigate through economic cycles [1]

Core Viewpoint - The photovoltaic industry is experiencing a recovery in prices and profitability due to industry self-discipline, production limits, and the elimination of outdated capacity, leading to an improved supply-demand balance [1][2]. Group 1: Market Performance - As of June 11, 2025, the CSI Photovoltaic Industry Index (931151) rose by 1.28%, with notable increases in constituent stocks such as Aiko Solar (600732) up 9.44%, and LONGi Green Energy (601012) also seeing gains [1]. - The Photovoltaic ETF (159863) increased by 0.93%, with a recent price of 0.43 yuan, and has accumulated a 1.42% rise over the past week [1]. Group 2: Industry Dynamics - The recent stabilization and rebound in prices for silicon materials and wafers, along with strong demand for N-type solar cells, are contributing to the recovery of profitability for related companies [1]. - The National Energy Administration's new management measures for distributed photovoltaic power generation are expected to enhance industry order and promote high-quality development, instilling long-term confidence in the market [1]. Group 3: Investment Insights - According to a report from China International Capital Corporation (CICC), the photovoltaic sector's valuation remains at historical lows, indicating strong investment potential [1]. - With the traditional installation peak season approaching in the third quarter, the photovoltaic industry chain is likely to enter a new cycle of prosperity, suggesting further upside for related stocks [1]. Group 4: Index Composition - The CSI Photovoltaic Industry Index includes up to 50 representative listed companies involved in the photovoltaic industry chain, with the top ten weighted stocks accounting for 56.2% of the index [2]. - The top ten stocks include LONGi Green Energy (601012), TCL Technology (000100), and Sungrow Power Supply (300274) among others [2].

Summary of Key Points from the Conference Call Industry Overview - The photovoltaic (PV) industry is experiencing significant overcapacity across all segments, with nominal capacity for components approximately double the actual demand, expected to persist for several quarters [1][2][10] - As of Q1 2025, nominal capacities for solar components, batteries, silicon wafers, and silicon materials exceed 1,200 GW, while the expected production for components is only 650-700 GW [2][10] Market Dynamics - Silicon material prices are at a low point, with N-type silicon material prices nearing cash costs, leading to losses for many producers [1][3][4] - The end of the domestic installation rush has limited the downward price movement of silicon materials, prompting some companies to reduce production [1][3] - Demand for PV products is heavily influenced by policy changes, with a slight recovery expected in Q4 2025 due to concentrated domestic demand [1][5][7] Technological Developments - The advancement of battery technologies, particularly TOPCon and BC technologies, is crucial for clearing excess capacity [1][5][7][8] - TOPCon technology is evolving, with potential efficiency improvements, but requires significant investment for equipment upgrades, posing risks for underfunded companies [1][8] - BC technology shows strong performance in distributed markets, with higher average production power compared to TOPCon, particularly in Europe where it commands a premium [1][9][11] Financial Implications - The average production power of BC cells exceeds 650 W, providing a competitive edge in the market [9] - Companies like LONGi and Aiko are expanding their BC production capacity, while TOPCon technology faces challenges due to declining orders and profitability [11][12] - The profitability of BC technology in Europe is significantly higher than that of TOPCon, with potential for positive earnings if overseas shipments increase [11][12] Supply Chain and Inventory - The silicon material market is currently facing a supply-demand imbalance, with production cuts expected to continue as companies respond to low prices [4][14][15] - Inventory levels have decreased from approximately 500,000 tons to around 400,000 tons due to increased component production, with expectations for further reductions by the end of 2025 [16] Cost Structure and Innovations - Silver paste costs have risen to 12% and 39% of the total costs for components and batteries, respectively, making it a significant cost driver [17] - Innovations aimed at reducing silver paste costs include the use of copper-based alternatives, which face technical challenges but offer substantial cost savings [18][19][20] - The market for high-performance silver paste is expected to grow, with advancements in copper paste technology showing promise for future cost reductions [21][22] Conclusion - The PV industry is navigating a complex landscape of overcapacity, technological advancements, and shifting demand dynamics, with significant implications for future profitability and market positioning [1][5][7][10]

Group 1 - The core viewpoint of the announcement is that Tongwei Co., Ltd. maintains its AAA credit rating for both the company and its convertible bonds, with a stable outlook [1][2] - The previous credit rating results indicated that the company's credit rating was AAA and the "Tong 22 Convertible Bond" also had a credit rating of AAA, with a stable outlook [1] - The tracking rating was conducted by United Ratings Co., Ltd. based on a comprehensive analysis of the company's operational status, industry, and other factors [2] Group 2 - The tracking rating report was issued on June 6, 2025, confirming the company's and the bond's credit ratings remain unchanged [2] - The report is available on the Shanghai Stock Exchange website for further details [2]

债券代码：110085 债券简称：通 22 转债 股票代码：600438 股票简称：通威股份 公告编号： 2025-059 通威股份有限公司 关于公开发行可转换公司债券2025年跟踪评级结果公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述或 者重大遗漏，并对其内容的真实性、准确性和完整性承担法律责任。 重要内容提示： 前次评级结果：公司主体信用等级为 AAA，"通 22 转债"信用等级为 AAA， 评级展望为稳定。 本次跟踪评级结果：维持公司主体信用等级为 AAA，维持"通 22 转债"信用 等级为 AAA，评级展望为稳定。 公司前次主体信用评级结果为 AAA；通 22 转债前次评级结果为 AAA；评级机 构为联合资信评估股份有限公司，评级时间为 2024 年 6 月 12 日。 联合资信在对公司经营状况、行业及其他情况进行综合分析与评估的基础上， 于 2025 年 6 月 6 日出具了《通威股份有限公司公开发行可转换公司债券 2025 年 跟踪评级报告》。联合资信维持公司主体信用等级为"AAA"，维持"通 22 转债" 信用等级为"AAA"，评级展望稳定。 本次信用评级报告《通威股份 ...

股票代码：600438 股票简称：通威股份 公告编号： 2025-059 债券代码：110085 债券简称：通 22 转债 通威股份有限公司 关于公开发行可转换公司债券2025年跟踪评级结果公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述或 者重大遗漏，并对其内容的真实性、准确性和完整性承担法律责任。 重要内容提示： 前次评级结果：公司主体信用等级为 AAA，"通 22 转债"信用等级为 AAA， 评级展望为稳定。 特此公告。 通威股份有限公司 董事会 2025 年 6 月 10 日 - 2 - 本次跟踪评级结果：维持公司主体信用等级为 AAA，维持"通 22 转债"信用 等级为 AAA，评级展望为稳定。 根据《上市公司证券发行管理办法》《公司债券发行与交易管理办法》《上海证 券交易所股票上市规则》的相关规定，通威股份有限公司（以下简称"公司"）委 托联合资信评估股份有限公司（以下简称"联合资信"）对公司于 2022 年 2 月公开 发行的可转换公司债券（债券代码：110085，债券简称：通 22 转债）进行了跟踪 评级。 公司前次主体信用评级结果为 AAA；通 22 转债前次评级结果 ...

通威股份有限公司公开发行可转换 公司债券 2025 年跟踪评级报告 1 www.lhratings.com 联合〔2025〕3875 号 联合资信评估股份有限公司通过对通威股份有限公司主体及其 相关债券的信用状况进行跟踪分析和评估，确定维持通威股份有限 公司主体长期信用等级为 AAA，维持"通 22 转债"的信用等级为 AAA，评级展望为稳定。 特此公告 联合资信评估股份有限公司 评级总监： 二〇二五年六月六日 跟踪评级报告 | 2 声 明 一、本报告是联合资信基于评级方法和评级程序得出的截至发表之日的 独立意见陈述，未受任何机构或个人影响。评级结论及相关分析为联合资信 基于相关信息和资料对评级对象所发表的前瞻性观点，而非对评级对象的事 实陈述或鉴证意见。联合资信有充分理由保证所出具的评级报告遵循了真 实、客观、公正的原则。鉴于信用评级工作特性及受客观条件影响，本报告 在资料信息获取、评级方法与模型、未来事项预测评估等方面存在局限性。 二、本报告系联合资信接受通威股份有限公司（以下简称"该公司"） 委托所出具。根据控股股东联合信用管理有限公司（以下简称"联合信用"） 提供的信息，联合赤道环境评价股份有限公司（ ...

通威股份有限公司公开发行可转换 公司债券 2025 年跟踪评级报告 1 www.lhratings.com 联合〔2025〕3875 号 联合资信评估股份有限公司通过对通威股份有限公司主体及其 相关债券的信用状况进行跟踪分析和评估，确定维持通威股份有限 公司主体长期信用等级为 AAA，维持"通 22 转债"的信用等级为 AAA，评级展望为稳定。 特此公告 联合资信评估股份有限公司 评级总监： 二〇二五年六月六日 跟踪评级报告 | 2 声 明 一、本报告是联合资信基于评级方法和评级程序得出的截至发表之日的 独立意见陈述，未受任何机构或个人影响。评级结论及相关分析为联合资信 基于相关信息和资料对评级对象所发表的前瞻性观点，而非对评级对象的事 实陈述或鉴证意见。联合资信有充分理由保证所出具的评级报告遵循了真 实、客观、公正的原则。鉴于信用评级工作特性及受客观条件影响，本报告 在资料信息获取、评级方法与模型、未来事项预测评估等方面存在局限性。 二、本报告系联合资信接受通威股份有限公司（以下简称"该公司"） 委托所出具。根据控股股东联合信用管理有限公司（以下简称"联合信用"） 提供的信息，联合赤道环境评价股份有限公司（ ...

Core Viewpoint - The international photovoltaic market has seen significant activity in May, with major companies signing overseas orders totaling over 4GW, primarily from countries such as Germany, Sweden, Poland, Pakistan, Australia, Zimbabwe, Zambia, and Peru [1] Group 1: Company Activities - Tongwei Co., Ltd. signed a strategic cooperation agreement with BayWa r.e. Solar Trade Holding GmbH for project development and system integration, and also secured a supply agreement for Eastern Europe with INFO-Telecom [2] - Aiko Solar successfully signed a 1GW centralized order with overseas clients, including significant projects in Europe and Africa, and has made substantial progress in the centralized market with its ABC components [3] - GCL-Poly Energy signed project cooperation agreements with Galp and Unigea, marking a significant step in its global strategy [4] - Chint New Energy established a three-year strategic partnership with Belectric to supply photovoltaic modules for ground station projects in Europe [5][6] - TCL Solar signed a strategic distribution agreement with Power & Sun Solar Equipments Trading LLC to supply 300MW of high-efficiency photovoltaic modules to the Middle East, Africa, and Eurasia [7] - LONGi Green Energy signed a strategic cooperation agreement with ENGIE and China Power Construction Corporation to provide over 1GW of high-efficiency Hi-MO 9 modules [8] - Hanwha Energy signed a 250MW annual supply framework agreement with PV CONSULT LTD in Bulgaria and established multiple strategic partnerships in Europe [9][10] - Huasheng New Energy reached an exclusive strategic cooperation with Next2Sun to promote the Kunlun series horizontal modules in Europe [11] - JA Solar signed MOU agreements with Australian companies NSEG and YES Group to supply a total of 250MW of high-efficiency photovoltaic modules by 2025 [12] - Seraphim signed a 250MW framework agreement with Barzaei Halwan in Iraq to support renewable energy infrastructure development [13] - Gaojing Solar signed a strategic cooperation agreement with Grodno S.A. in Poland, setting a 200MW annual cooperation target [14] - Sumida Huailun signed photovoltaic carport project agreements totaling 116MW with German EPC companies [15]