Core Viewpoint - The third Perovskite Materials and Devices Industry Development Forum will be held on May 23-24 in Suzhou, focusing on flexible perovskite photovoltaics, perovskite tandem cells, and applications in smart IoT and wearable devices under indoor low-light conditions [1][2][6]. Group 1: Forum Details - The forum is organized by the Ningbo Institute of Materials Technology and Engineering, Huazhong University of Science and Technology, and DT New Materials, with support from Suzhou University and Wuhan Jiuyue Optoelectronics Technology Co., Ltd [1][3]. - Notable experts and scholars, including Ye Jichun and Chen Wei, will participate, along with emerging companies in the flexible field such as GCL, Tongwei, and others [1][6]. Group 2: Industry Context - Perovskite photovoltaics have made significant progress but face challenges in competing with mature silicon solar cells, which have advantages in cost and efficiency [6]. - The industry is still in the early stages of commercialization, and companies need to identify market breakthrough directions in the next 3-5 years [6]. Group 3: Key Focus Areas - The forum will explore three main application areas for perovskite technology: 1. Tandem photovoltaics (perovskite-silicon, perovskite-organic, and perovskite-perovskite) 2. Flexible photovoltaic applications (BIPV, vehicle-mounted photovoltaics) 3. Cutting-edge consumer electronics (smart IoT, wearable devices) [6]. - Discussions will address technical challenges such as large-scale production while ensuring high efficiency and stability, interface engineering for tandem cells, and the development of high-performance flexible transparent electrodes [6].

股票代码：600438 股票简称：通威股份 公告编号：2025-054 债券代码：110085 债券简称：通 22 转债 通威股份有限公司 2025 年度 第二期科技创新债券发行结果公告 特此公告。 通威股份有限公司董事会 易商协会"）下发的《接受注册通知书》（中市协注2025DFI27 号）。《接受 注册通知书》中明确：交易商协会决定接受公司债务融资工具注册；注册自通知 书落款之日（2025 年 4 月 28 日）起 2 年内有效；公司在注册有效期内可分期 发行超短期融资券、短期融资券、中期票据、永续票据、资产支持票据、绿色债 务融资工具等产品，也可定向发行相关产品；每期发行时应确定当期主承销商、 发行产品、发行规模、发行期限等要素。具体内容详见公司于 2025 年 4 月 30 日在上海证券交易所网站（www.sse.com.cn）及《中国证券报》《上海证券报》 《证券日报》《证券时报》和《 》披露的相关公告。 近日，公司已完成 2025 年度第二期科技创新债券发行工作，发行结果如下： 通威股份有限公司 2025 债券名称 债券简称 25 通威 SCP002(科创债) 年度第二期科技创新债券 代码 012 ...

| | | 通威股份有限公司 2025 年度 通威股份有限公司（以下简称"公司"）第八届董事会第二十二次会议及 2025 年第一次临时股东大会审议通过了《关于申请注册及发行债务融资工具 （DFI）的议案》，准许公司根据公司实际资金需求情况，在中国银行间市场交 易商协会注册有效期内择机一次或分期发行债务融资工具，具体内容详见公司在 上海证券交易所网站（www.sse.com.cn）披露的相关公告。 2025 年 4 月 28 日，公司收到中国银行间市场交易商协会（以下简称"交 易商协会"）下发的《接受注册通知书》（中市协注[2025]DFI27 号）。《接受 注册通知书》中明确：交易商协会决定接受公司债务融资工具注册；注册自通知 书落款之日（2025 年 4 月 28 日）起 2 年内有效；公司在注册有效期内可分期 发行超短期融资券、短期融资券、中期票据、永续票据、资产支持票据、绿色债 务融资工具等产品，也可定向发行相关产品；每期发行时应确定当期主承销商、 发行产品、发行规模、发行期限等要素。具体内容详见公司于 2025 年 4 月 30 日在上海证券交易所网站（www.sse.com.cn）及《中国证券报》《 ...

- The report predicts adjustments to the sample stocks of seven major broad-based indices in the Chinese market, including CSI 300, CSI 500, SSE 50, STAR 50, STAR 100, ChiNext Index, and ChiNext 50, based on the index compilation rules and data as of April 30, 2025 [1][7] - The CSI 300 Index selects stocks from the Shanghai and Shenzhen markets that meet criteria such as good operational status, no significant financial issues, and no abnormal price fluctuations. The selection process involves ranking stocks by daily average trading volume and market capitalization over the past year, applying buffer rules, and excluding stocks with significant losses or long-term suspensions. Adjustments are limited to 10% of the constituent stocks per review [8] - The CSI 500 Index excludes CSI 300 constituents and follows a similar methodology, focusing on stocks with good operational status, no financial irregularities, and stable price movements. Stocks are ranked by daily average trading volume and market capitalization, with buffer rules applied, and adjustments are capped at 10% of the constituent stocks [10] - The SSE 50 Index is derived from the SSE 180 Index, selecting stocks based on daily average market capitalization and trading volume over the past year. The accuracy of SSE 50 predictions depends on the SSE 180 Index's accuracy. Adjustments are limited to 10% of the constituent stocks [13] - The STAR 50 Index represents the top 50 securities on the STAR Market by market capitalization and liquidity. Stocks are ranked by daily average market capitalization, with buffer rules applied, and adjustments are capped at 10% of the constituent stocks [15] - The STAR 100 Index includes 100 mid-sized securities from the STAR Market, reflecting the performance of mid-cap companies. The selection process is similar to STAR 50, with adjustments limited to 10% of the constituent stocks [17] - The ChiNext Index selects stocks from the ChiNext Board based on the top-ranked daily average market capitalization over the past six months. Buffer rules are applied, and stocks with significant losses or long-term suspensions are excluded. Adjustments are capped at 10% of the constituent stocks [20] - The ChiNext 50 Index selects the most liquid stocks from the ChiNext Index's 100 constituents, considering industry coverage and applying buffer rules. Adjustments are limited to 10% of the constituent stocks [24]

Group 1 - The core viewpoint indicates that the photovoltaic industry is showing signs of recovery, with expectations of improved fundamentals reflected in the recent performance of related stocks and ETFs [1][2] - The photovoltaic ETF fund (159863.SZ) increased by 1.37%, while the associated photovoltaic industry index (931151.CSI) rose by 1.89%, with major constituent stocks like Sungrow Power (up 6.51%) and TCL Technology (up 2.58%) showing significant gains [1] - Citic Construction Investment Securities reports that the bottom of the photovoltaic industry's financial performance has been reached, with reduced risks of further profit deterioration, despite a decline in expansion willingness due to low profitability [1] Group 2 - Financial research from Caixin Securities highlights that the photovoltaic industry is poised for digital and intelligent transformation driven by the construction of new power systems, with market-oriented pricing reforms supporting profitability [2] - The report notes a significant profit increase in upstream materials like membrane materials (+4048.26%), while other segments like soda ash (-71.27%) are under pressure due to a temporary slowdown in photovoltaic investments, indicating a divergence in the industry's performance [2] - The need to monitor the impact of policy implementation and technological advancements on the downstream photovoltaic sector is emphasized [2]

Core Viewpoint - The photovoltaic industry is facing significant challenges due to a decline in demand following a surge in installations, leading to a drop in prices for silicon wafers and batteries, with production cuts in May falling short of expectations [1][2][4]. Price Trends - The price of N-type silicon wafers has seen a substantial decline, with the largest weekly drop of 13.5% recorded recently, bringing prices below levels seen in Q4 of the previous year [1][2]. - Specific prices include N-type G10L at 1.01 yuan/piece (down 9.82% week-on-week), N-type G12R at 1.12 yuan/piece (down 13.85%), and N-type G12 at 1.35 yuan/piece (down 7.53%) [2][3]. Production and Demand Dynamics - The decline in silicon wafer prices is primarily attributed to a significant drop in downstream demand post-holiday, compounded by insufficient production cuts in the battery sector [3][4]. - Battery production is expected to decrease by 9% in May, with many manufacturers maintaining high operational efficiency, which may not sufficiently alleviate price pressures [3][5]. Financial Health of Companies - Despite a reduction in losses in Q1, many companies in the photovoltaic supply chain continue to struggle, with 18 out of 21 firms reporting losses after adjustments [5][6]. - The median asset-liability ratio for these companies has risen to 73.27%, indicating increasing financial strain [5][6]. Future Outlook - The effectiveness of production cuts is deemed crucial for stabilizing prices, as the industry relies on self-regulation to prevent further declines [4][6]. - Industry insiders suggest that clearer transparency in manufacturing costs could help align prices with production expenses, thereby enhancing the effectiveness of production cuts [6].

Investment Rating - The report indicates a cautious outlook for the new energy sector, suggesting a bottoming out phase and waiting for a new cycle to emerge [1]. Core Insights - Lithium battery sector is entering a new cycle with opportunities, showing signs of profit recovery in Q1 2025 after a significant decline in 2024 [3][7]. - The photovoltaic sector is expected to see gradual improvement in supply and demand dynamics, with new technologies anticipated to benefit the industry [3][4]. - The wind power sector remains in a high-growth phase, with performance expected to continue improving [3][4]. - Investment recommendations focus on three main lines: true growth companies, cyclical recovery, and new technologies [3]. Summary by Sections Lithium Batteries - In 2024, 53 sample companies achieved a total net profit of 58.3 billion yuan, a year-on-year decrease of 63%. In Q1 2025, net profit reached 18.6 billion yuan, up 36% year-on-year and 41% quarter-on-quarter [6][7]. - The lithium battery sector is stabilizing with new product releases and a recovery in profitability observed in Q1 2025 [11][12]. - Different segments within the lithium battery industry are experiencing varied profitability, with downstream segments like batteries and structural components showing positive trends [11][12]. Photovoltaics - The supply-demand situation is gradually improving, with industry self-discipline expected to enhance the market dynamics [3][4]. - Key players in the silicon material segment are likely to recover profitability first due to their cost advantages [3]. - New technologies, such as BC technology, are anticipated to be released in 2025, benefiting equipment and material companies [3]. Wind Power - In 2024, 31 sample companies reported a total net profit of 13.49 billion yuan, a year-on-year decrease of 13%. In Q1 2025, net profit was 3.29 billion yuan, up 14% year-on-year and 6% quarter-on-quarter [3][4]. - The wind power sector is expected to see significant growth in installations, particularly in the offshore segment as construction peaks in Q2 2025 [3][4]. Investment Recommendations - The report suggests focusing on three main investment lines: 1. True growth companies such as Ningde Times and EVE Energy [3]. 2. Companies poised for cyclical recovery like Hunan Youneng and Fulin Precision [3]. 3. New technology firms such as Xiamen Tungsten and Rongbai Technology [3]. - Supply-side reforms are also highlighted, with companies like Tongwei and Longi Green Energy being key players [3].

2024 年年度股东大会会议资料 通威股份有限公司 2024 年年度股东大会会议资料 资料汇编 二〇二五年五月 | 2024 年年度股东大会会议议程 | | 3 | | --- | --- | --- | | 2024 年度董事会工作报告 | | 5 | | 年度监事会工作报告 2024 | | 10 | | 2024 年年度报告及年度报告摘要 | | 13 | | 2024 年度财务决算报告 | | 14 | | 2024 年度利润分配预案 | | 17 | | 关于董事、监事 2024 | 年度薪酬与考核的议案 | 18 | | 关于续聘会计师事务所的议案 | | 20 | | 关于 2025 | 年度公司及下属子公司相互提供担保的议案 | 23 | | 关于 2025 | 年度为公司客户提供担保的议案 | 41 | | 关于 2025 | 年申请综合授信的议案 | 43 | | 关于 2025 | 年开展票据池业务的议案 | 44 | | 关于修订公司章程等一系列制度的议案 | | 47 | | 关于选举第九届董事会成员的议案 | | 63 | | 关于公司第九届董事会董事薪酬方案的议案 | | 67 ...

股票代码：600438 股票简称：通威股份 公告编号：2025-053 债券代码：110085 债券简称：通 22 转债 通威股份有限公司关于 召开 2024 年度暨 2025 年第一季度业绩说明会的公告 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： ?会议召开时间：2025 年 5 月 16 日（星期五）下午 15:00-16:30 ?会 议 召 开 地 点 ： 上 海 证 券 交 易 所 上 证 路 演 中 心 （ 网 址 ： https://roadshow.sseinfo.com/） ?会议召开方式：上证路演中心视频直播和网络互动 ?投资者可于 2025 年 5 月 9 日（星期五）至 5 月 15 日（星期四）16:00 前登录 上证路演中心网站首页点击"提问预征集"栏目或通过公司邮箱 zqb@tongwei.com 进行提问。公司将在说明会上对投资者普遍关注的问题进行 回答。 通威股份有限公司（以下简称"公司"）已于 2025 年 4 月 30 日发布公司 2024 年度报告及 2025 年第一季 ...

股票代码：600438 股票简称：通威股份 公告编号：2025-053 债券代码：110085 债券简称：通 22 转债 通威股份有限公司关于 投资者可于 2025 年 5 月 9 日（星期五）至 5 月 15 日（星期四）16:00 前登录 上 证 路 演 中 心 网 站 首 页 点 击 " 提 问 预 征 集 " 栏 目 或 通 过 公 司 邮 箱 zqb@tongwei.com 进行提问。公司将在说明会上对投资者普遍关注的问题进行 回答。 通威股份有限公司（以下简称"公司"）已于 2025 年 4 月 30 日发布公司 2024 年度报告及 2025 年第一季度报告，为便于广大投资者更全面深入地了解公司 2024 年度及 2025 年第一季度经营成果、财务状况，公司计划于 2025 年 5 月 16 日（星期五）15:00-16:30 举行 2024 年度暨 2025 年第一季度业绩说明会， 就投资者关心的问题进行交流。 一、说明会类型 本次投资者说明会以视频直播和网络互动方式召开，公司将针对 2024 年度 及 2025 年第一季度的经营成果及财务指标的具体情况与投资者进行互动交流和 沟通，在信息披露 ...