Core Viewpoint - Shanghai Bochun New Materials Co., Ltd. has been established with a registered capital of 1 million RMB, focusing on various sectors including electronic materials sales and technology services [1] Company Overview - The legal representative of Shanghai Bochun New Materials Co., Ltd. is Sun Jun [1] - The company has a registered capital of 1 million RMB [1] Business Scope - The company’s business scope includes general projects such as sales of electronic special materials, technology import and export, and human resources services (excluding vocational intermediary activities and labor dispatch services) [1] - Specific projects include sales of specialized chemical products (excluding hazardous chemicals), sales of chemical products (excluding licensed chemical products), and new materials technology promotion services [1] - Additional services offered include technical services, technical development, technical consulting, technical exchange, technical transfer, domestic trade agency, sales agency, leasing services (excluding licensed leasing services), information consulting services (excluding licensed information consulting services), enterprise management consulting, labor services (excluding labor dispatch), supply chain management services, marketing planning, corporate image planning, conference and exhibition services, and internet sales (excluding sales of goods requiring licenses) [1]

Core Viewpoint - The company announces the provision and cancellation of guarantee limits for its wholly-owned subsidiaries, aiming to enhance financing efficiency and support normal operations [1][9]. Summary by Sections Guarantee Overview - The company plans to provide a total guarantee amount not exceeding RMB 39,000,000 for its subsidiaries, Upwind (Tianjin) Wind Power Materials Co., Ltd. and Upwind (Jiangsu) New Materials Co., Ltd. [1] - The specific guarantee amounts are RMB 28,000,000 for Upwind Tianjin and RMB 11,000,000 for Upwind Jiangsu, with no overdue external guarantees or litigation-related guarantees [1][9]. Guarantee Details - The guarantees will cover various financial products, including working capital loans and trade financing [1]. - The company will not require a counter-guarantee for these guarantees [1]. Cancellation of Guarantees - The company intends to cancel previous guarantee limits, including RMB 6,000,000 for Upwind Tianjin and RMB 2,500,000 for Upwind Jiangsu, among others [4][5]. - The cancellation of guarantees is part of the company's internal decision-making process and does not require shareholder approval [7]. Financial Data of Subsidiaries - Upwind Tianjin has total assets of RMB 52,576.98 million and a net profit of RMB 173.35 million [6]. - Upwind Jiangsu has total assets of RMB 33,705.44 million and a net profit of RMB 356.45 million [8]. Board of Directors' Opinion - The board supports the provision of guarantees based on the operational needs of the subsidiaries, asserting that the associated risks are manageable and do not harm the interests of the listed company [9]. Total External Guarantee Amount - As of now, the total external guarantee amount for the company and its subsidiaries is RMB 343,000,000, which represents 29.35% of the company's net assets as of the end of 2024 [9]. - There are no overdue external guarantees or litigation-related guarantees [10].

Group 1 - The company, Shandong Yanggu Huatai Chemical Co., Ltd., has applied for a comprehensive credit limit of RMB 300 million from Ping An Bank Qingdao Branch, with the credit period from July 31, 2025, to July 30, 2026 [1] - The company's wholly-owned subsidiary, Shandong Daierke New Materials Co., Ltd., provides a joint liability guarantee for the credit limit, with a maximum principal balance of RMB 100 million [1][2] - The guarantee has been approved internally by Daierke and does not require further approval from the company's board of directors or shareholders [1] Group 2 - As of December 31, 2024, the total assets of Shandong Yanggu Huatai Chemical Co., Ltd. amounted to RMB 3,667,914,425.21, with a net profit of RMB 36,289,031.41 as of March 31, 2025 [2] - The guarantee provided by Daierke is intended to help the company secure bank credit and is considered to be within a controllable risk range, aligning with the interests of the company and all shareholders [2] - As of the announcement date, the total external guarantees of the company amount to RMB 81 million, which is 2.31% of the latest audited net assets [2]

Group 1 - The company held its 2024 annual general meeting on April 22, 2025, where it approved the proposal to change its registered capital and amend the articles of association [2] - The company plans to issue 6,500,000 convertible bonds at a face value of 100 RMB each, raising a total of 650 million RMB [2] - The convertible bonds will start converting into shares on February 2, 2024, and from March 19, 2024, to March 26, 2025, a total of 35,536,359 shares have been converted, increasing the total share capital by the same amount [2] Group 2 - The company completed the business registration change and obtained a new business license from the Liaocheng Administrative Approval Service Bureau [3] - The registered capital of the company is now 448,716,835 RMB, reflecting the recent changes [3] - The company is involved in the production of hazardous chemicals and other chemical products, with a business scope that includes manufacturing and sales of specialized chemical products [3]