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]

Market Overview - On November 12, the Tianjin state-owned enterprise reform sector declined by 0.36% compared to the previous trading day, with Baili Electric leading the decline [1] - The Shanghai Composite Index closed at 4000.14, down 0.07%, while the Shenzhen Component Index closed at 13240.62, down 0.36% [1] Stock Performance - Key stocks in the Tianjin state-owned enterprise reform sector showed mixed performance, with T-712 rising by 1.98% to close at 20.56, and Baili Electric falling by 3.54% to close at 7.08 [1][2] - The trading volume and turnover for T-712 were 302,000 shares and 636 million yuan, respectively [1] Capital Flow - The Tianjin state-owned enterprise reform sector experienced a net outflow of 102 million yuan from institutional investors, while retail investors saw a net inflow of 168 million yuan [2] - The capital flow data indicates that while institutional and speculative funds withdrew, retail investors were actively buying into the sector [2][3] Individual Stock Analysis - T-712 had a net inflow of 78.32 million yuan from institutional investors, while Baili Electric saw a significant outflow of 78.51 million yuan [3] - The stock of Tianjin Port closed at 4.89, down 0.41%, with a trading volume of 209,600 shares [2][3]

Market Performance - The refining and trading sector increased by 3.19% compared to the previous trading day, with Bohai Chemical leading the gains [1] - The Shanghai Composite Index closed at 3976.52, up 0.55%, while the Shenzhen Component Index closed at 13404.06, up 0.19% [1] Stock Highlights - Bohai Chemical (600800) closed at 4.09, up 6.79% with a trading volume of 446,600 shares and a turnover of 180 million yuan [1] - Baocao Co. (002476) closed at 5.93, up 4.96% with a trading volume of 277,700 shares and a turnover of 162 million yuan [1] - China Petroleum (601857) closed at 9.56, up 4.48% with a trading volume of 2,304,400 shares and a turnover of 2.18 billion yuan [1] - Other notable stocks include Heshun Petroleum (603353) at 22.29, up 3.29%, and China Petrochemical (600028) at 5.57, up 1.83% [1] Capital Flow - The refining and trading sector saw a net inflow of 335 million yuan from institutional investors, while retail investors experienced a net outflow of 277 million yuan [2][3] - Major stocks like China Petroleum and China Petrochemical had significant net inflows of 27.5 million yuan and 5.88 million yuan respectively, while retail investors withdrew funds from these stocks [3]

Market Overview - A-shares experienced mixed fluctuations on November 3, with the Shanghai Composite Index rising by 0.05%, while the Shenzhen Component and ChiNext Index fell by 1.06% and 1.37%, respectively [1][2] - The total market turnover was approximately 1.4 trillion yuan, slightly lower than the previous day, with nearly 2,600 stocks declining [2] Sector Performance - The coal, oil and petrochemical, media, and banking sectors saw gains, while lithium battery, precious metals, and semiconductor sectors faced significant declines [2][3] - The precious metals sector, particularly jewelry stocks, experienced a collective drop, with notable declines in companies like Chaohongji and Pengxin Resources [6][7] Hong Kong Market - The Hong Kong market also showed volatility, with the Hang Seng Index up by 0.58% and the Hang Seng Technology Index down by 0.24% [4][5] - Chow Tai Fook led the decline among Hang Seng constituents, dropping over 7% [5][11] Regulatory News - On November 1, the Ministry of Finance and the State Administration of Taxation announced tax policy changes regarding gold transactions, which may impact market sentiment [11][12] Company-Specific Developments - Qingyue Technology's stock hit the daily limit down of 20% due to an investigation by the China Securities Regulatory Commission for suspected financial misconduct [19][20][23] - The stock of Shikong Technology, which had previously seen a significant rise, also fell to its limit down [23] Energy Sector Activity - The coal and oil sectors were active, with companies like Antai Group and China Oilfield Services seeing substantial gains [14][16] - The recent cold weather has increased seasonal demand for coal, which may support prices in the near term [14]

Core Insights - The Tianjin state-owned enterprise reform sector saw a slight increase of 0.2% on October 31, with Haitai Development leading the gains [1] - The Shanghai Composite Index closed at 3954.79, down 0.81%, while the Shenzhen Component Index closed at 13378.21, down 1.14% [1] Stock Performance Summary - Haitai Development (600082) closed at 4.72, up 6.07% with a trading volume of 399,300 shares and a turnover of 185 million yuan [1] - Guifaxiang (002820) closed at 12.80, up 3.90% with a trading volume of 137,100 shares and a turnover of 174 million yuan [1] - Tianbao Infrastructure (000965) closed at 4.38, up 2.10% with a trading volume of 861,500 shares and a turnover of 380 million yuan [1] - Other notable stocks include Jinmeng Technology (300334) at 7.50 (+1.90%), Bohai Chemical (600800) at 3.83 (+1.86%), and Jintou City Development (600322) at 2.51 (+1.21%) [1] Capital Flow Analysis - The Tianjin state-owned enterprise reform sector experienced a net inflow of 67.98 million yuan from institutional investors, while retail investors saw a net outflow of 84.03 million yuan [2][3] - The main capital inflow was observed in Tianbao Infrastructure (000965) with a net inflow of 49.38 million yuan, while Jin Kai New Energy (600821) faced a significant net outflow of 66.21 million yuan [3]