证券代码：600800 证券简称：渤海化学 公告编号：2025-054 天津渤海化学股份有限公司 关于为全资子公司提供反担保的进展公告 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： 担保对象及基本情况 | | 被担保人名称 本次担保金额 | 2,968.48 | 天津渤海石化有限公司 万元 | | | --- | --- | --- | --- | --- | | 担 保 对 | | | | | | 象 | 实际为其提供的担保余额 | 2,968.48 | 万元 | | | | 是否在前期预计额度内 | 是 | □否 | □不适用：_________ | | | 本次担保是否有反担保 | □是 | 否 | □不适用：_________ | 累计担保情况 | 对外担保逾期的累计金额（万元） | 0 | | --- | --- | | 截至本公告日上市公司及其控股 子公司对外担保总额（万元） | 3,968.48 | | 对外担保总额占上市公司最近一 期经审计净资产的比例（%） | 2.25% | | 其他风 ...

Core Points - The company announced a delay in the routine maintenance of its PDH unit due to the need for coordination with new projects [1] - The PDH unit, with a capacity of 600,000 tons per year, was initially scheduled for maintenance starting October 13, 2025, for approximately 30 days [1] - The expected resumption of production for the PDH unit is now pushed to the end of February 2026 [1] Summary by Sections - **Company Announcement**: The company released an announcement regarding the routine maintenance of its wholly-owned subsidiary's PDH unit, indicating a need for an extension of the maintenance period [1] - **Maintenance Details**: The PDH unit's maintenance was planned to last for about 30 days, but due to the integration with new projects for acrylic esters and superabsorbent resin, the maintenance period has been extended [1] - **Production Impact**: The delay in maintenance is aimed at ensuring stable production operations, with the new expected date for resuming production set for February 2026 [1]

Group 1: Shareholding Changes - Company Zhaoyi Innovation announced that several directors and senior management personnel plan to reduce their holdings by a total of 249,000 shares, with specific reductions from the vice chairman and general manager, as well as other vice presidents [1] - Company Super Aerospace announced a stock suspension due to its controlling shareholders planning a significant matter that may lead to a change in control [2] - Company Haosai is under investigation by the China Securities Regulatory Commission (CSRC) for suspected violations of information disclosure laws [5] Group 2: Major Contracts and Projects - Company Dajin Heavy Industry's wholly-owned subsidiary signed a contract worth approximately 1.339 billion yuan for a European offshore wind farm project, which represents 35.41% of the company's audited revenue for 2024 [3] - Company Ruifeng New Materials plans to increase capital by 200 million yuan in a related party to advance a lithium hexafluorophosphate project [6] Group 3: Regulatory Actions - Company Jushi Chemical received a notice from the CSRC regarding an investigation for suspected violations of information disclosure laws [4] - Company Huosai is also under investigation by the CSRC for similar reasons [5] Group 4: Investment and Acquisitions - Company Gao Neng Environment plans to acquire 45.2% equity in three mining companies [7] - Company Aerospace Electric intends to purchase 32% equity in Shenzhen Aerospace Electric Motor System Co., Ltd. through public bidding [8]

Core Points - Bohai Chemical announced a routine maintenance shutdown of its PDH unit, which has a capacity of 600,000 tons per year, starting from October 13, 2025, and expected to last for approximately 30 days [2] - The maintenance period may be extended due to the need for coordination with new projects for acrylic esters and superabsorbent polymer materials, with the PDH unit expected to resume production by the end of February 2026 [2] Summary by Category - **Company Announcement** - Bohai Chemical's wholly-owned subsidiary, Tianjin Bohai Petrochemical Co., Ltd., will conduct maintenance on its PDH unit as per the annual plan [2] - The maintenance is scheduled to begin on October 13, 2025, and is anticipated to last around 30 days [2] - **Operational Impact** - The maintenance period may be extended to ensure stable production operations, as the PDH unit needs to coordinate with the new projects for acrylic esters and superabsorbent polymer materials [2] - The expected resumption of production for the PDH unit is by the end of February 2026 [2]

证券代码：600800 证券简称：渤海化学 编号：临 2025-053 特此公告。 天津渤海化学股份有限公司 董 事 会 2025 年 11 月 22 日 天津渤海化学股份有限公司 关于全资子公司 PDH 装置例行停产检修延期的公告 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。 天津渤海化学股份有限公司（以下简称"公司"）于 2025 年 10 月 14 日发布了《天津渤海化学股份有限公司关于全资子公司 PDH 装 置例行停产检修的公告》（公告编号：临 2025-049），披露了公司 全资子公司天津渤海石化有限公司（以下简称"渤海石化"）的 PDH 装置（60 万吨/年）按照年度计划于 2025 年 10 月 13 日开始停产检 修，预计检修 30 天左右。 检修期间公司组织有关力量按照检修计划有序开展检修工作，由 于渤海石化厂区内新建丙烯酸酯和高吸水性树脂新材料项目需求，渤 海石化 PDH 装置需要与丙烯酸酯和高吸水性树脂新材料项目进行设 备及公用工程联调联试，为确保装置生产运行稳定，PDH 装置检修周 期需要延长一定时间 ...

Core Viewpoint - Bohai Chemical announced a routine maintenance shutdown of its PDH unit, which is expected to last approximately 30 days, starting from October 13, 2025, and extending until the end of February 2026 due to coordination with new projects [1] Group 1: Company Operations - Bohai Chemical's wholly-owned subsidiary, Tianjin Bohai Petrochemical Co., Ltd., will conduct maintenance on its PDH unit with a capacity of 600,000 tons per year [1] - The maintenance is part of the annual plan and is necessary to ensure stable production operations in light of new projects for acrylic esters and superabsorbent polymer materials [1] Group 2: Project Coordination - The PDH unit's maintenance period will be extended to facilitate equipment and utility coordination with the new acrylic esters and superabsorbent polymer projects [1] - The expected resumption of production for the PDH unit is at the end of February 2026 [1]

Core Viewpoint - Bohai Chemical (600800) announced an extension of the maintenance period for its PDH unit due to the need for coordination with new projects, delaying the resumption of production to February 2026 [1] Group 1: Company Operations - The PDH unit, with a capacity of 600,000 tons per year, was originally scheduled for maintenance starting October 13, 2025, for approximately 30 days [1] - The maintenance period has been extended to ensure stable production operations in conjunction with new projects for acrylic esters and superabsorbent resin materials [1] Group 2: Industry Impact - The delay in the PDH unit's production resumption may affect the supply chain dynamics within the chemical industry, particularly in the acrylic and resin markets [1]

Core Viewpoint - Bohai Chemical (600800.SH) announced that its wholly-owned subsidiary, Bohai Petrochemical, will extend the maintenance period for its PDH unit due to the need for equipment and utility system adjustments related to the acrylate and superabsorbent resin new material project, with production expected to resume by the end of February 2026 [1] Group 1 - Bohai Petrochemical's PDH unit requires coordination with new material projects [1] - The maintenance period for the PDH unit will be extended [1] - Production is anticipated to resume by the end of February 2026 [1]

Core Viewpoint - Bohai Chemical announced that its wholly-owned subsidiary, Bohai Petrochemical, will suspend its 600,000 tons/year PDH unit for maintenance starting October 13, 2025, with an extended maintenance period expected to last until the end of February 2026 due to new project requirements [1] Group 1 - The PDH unit was initially scheduled for approximately 30 days of maintenance [1] - The maintenance period has been extended to accommodate the commissioning of new projects for acrylic esters and superabsorbent polymer materials [1] - The company has advised investors to be aware of investment risks associated with this extended maintenance [1]

Market Overview - The refining and trading sector experienced a decline of 0.66% on November 14, with Runbei Hangke leading the losses [1] - The Shanghai Composite Index closed at 3990.49, down 0.97%, while the Shenzhen Component Index closed at 13216.03, down 1.93% [1] Stock Performance - Notable gainers in the refining and trading sector included: - Heshun Petroleum (603353) with a closing price of 28.03, up 10.01% [1] - Unified Shares (600506) at 31.30, up 8.49% with a trading volume of 499,100 shares and a transaction value of 1.536 billion [1] - Baomo Shares (002476) at 6.33, up 3.09% with a transaction value of 214 million [1] - Conversely, Runbei Hangke (001316) led the declines with a closing price of 35.90, down 3.49% [2] - Other notable decliners included: - Wanbangda (300055) at 8.40, down 3.34% [2] - Daqing Huake (000985) at 20.03, down 2.53% [2] Capital Flow - The refining and trading sector saw a net outflow of 133 million from institutional investors and 197 million from speculative funds, while retail investors contributed a net inflow of 330 million [2] - Detailed capital flow for selected stocks showed: - Unified Shares (600506) had a net inflow of 167 million from institutional investors, but a net outflow of 12 million from speculative funds [3] - China Petroleum (601857) experienced a net outflow of 10.24 billion in total trading volume [2][3]