（一）审议通过《关于变更会计师事务所的议案》 证券代码：688716 证券简称：中研股份 公告编号：2025-050 吉林省中研高分子材料股份有限公司 第四届董事会第五次临时会议决议公告 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、准确性和完整性依法承担法律责任。 一、董事会会议召开情况 为充分保障公司年报审计工作安排，更好地适应公司未来业务发展及规范 化需要，综合考虑公司对审计服务的需求，根据《国有企业、上市公司选聘会 计师事务所管理办法》及《公司章程》的相关规定，公司履行相应的公开选聘 程序，拟聘任中勤万信会计师事务所（特殊普通合伙）为公司 2025 年度审计机 构。 本议案已经董事会审计委员会审议通过。 吉林省中研高分子材料股份有限公司（以下简称"公司"）第四届董事会 第五次临时会议的通知于 2025 年 11 月 19 日以专人送达等方式送达全体董事， 会议于 2025 年 11 月 24 日以现场结合通讯的方式召开。本次会议由董事长谢怀 杰先生主持，会议应出席董事 8 人，实际出席董事 8 人。本次会议的召集、召 开和表决程序符合《中华人民共 ...

Market Overview - The plastic sector experienced a decline of 0.9% on November 14, with Guoen Co., Ltd. leading the drop [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 plastic sector included: - Ningbo Color Master with a closing price of 22.66, up 8.27% [1] - Runyang Technology at 42.87, up 7.61% [1] - Heshun Technology at 47.70, up 6.40% [1] - Major decliners included: - Guoen Co., Ltd. at 56.18, down 5.61% [2] - Dongcai Technology at 17.33, down 3.83% [2] - Zhongyan Technology at 38.89, down 3.02% [2] Capital Flow - The plastic sector saw a net outflow of 872 million yuan from institutional investors, while retail investors contributed a net inflow of 696 million yuan [2] - The overall capital flow in the plastic sector indicated a mixed sentiment among different investor types [2] Individual Stock Capital Flow - Key stocks with significant capital flow included: - Stik with a net inflow of 42.68 million yuan from institutional investors, but a net outflow from retail investors [3] - Zhonglun New Materials with a net inflow of 40.88 million yuan from institutional investors [3] - Anli Co., Ltd. with a net inflow of 24.21 million yuan from institutional investors [3]

Core Points - The stock price of Zhongyan Co., Ltd. (688716) closed at 42.39 yuan on November 7, 2025, up 3.09% from the previous week [1] - The company has a total market capitalization of 5.158 billion yuan, ranking 35th in the plastics sector and 3273rd in the A-share market [1] Company Announcements - The company held a board meeting on November 6, 2025, where it approved the nomination of Qin Zhenxing as a non-independent director, pending shareholder approval [1][2] - Yang Liping resigned from her positions as director, member of the board's strategic committee, and financial director due to work adjustments [1][2] - The company plans to increase the registered capital of its wholly-owned subsidiary, Jilin Houhe Medical Technology Co., Ltd., by 45 million yuan to support its business development [2][3] - The upcoming shareholder meeting on November 24, 2025, will address the election of a non-independent director and amendments to the fundraising system, with separate voting for minority investors [2][3]

Market Overview - The plastic sector increased by 0.69% on November 7, with Guoen Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 3997.56, down 0.25%, while the Shenzhen Component Index closed at 13404.06, down 0.36% [1] Top Gainers in the Plastic Sector - Guoen Co., Ltd. (002768) closed at 58.88, up 9.99% with a trading volume of 70,100 shares and a transaction value of 398 million [1] - Zhejiang Zhongcheng (002522) closed at 6.08, up 9.95% with a trading volume of 589,200 shares and a transaction value of 351 million [1] - Foshan Plastics Technology (000973) closed at 10.39, up 5.91% with a trading volume of 1,706,900 shares and a transaction value of 1.726 billion [1] Top Losers in the Plastic Sector - Wankai New Materials (301216) closed at 19.36, down 4.58% with a trading volume of 230,000 shares and a transaction value of 45.5 million [2] - Henghe Precision (300539) closed at 44.21, down 4.43% with a trading volume of 98,000 shares and a transaction value of 436 million [2] - Jun Ding Da (301538) closed at 78.71, down 4.34% with a trading volume of 15,400 shares and a transaction value of 122 million [2] Capital Flow in the Plastic Sector - The plastic sector saw a net inflow of 296 million from main funds, while retail investors experienced a net outflow of 391 million [2][3] - Major stocks like Foshan Plastics Technology and Zhejiang Zhongcheng had significant net inflows from main funds, indicating strong institutional interest [3]

吉林省中研高分子材料股份有限公司 2025 年第二次临时股东会 吉林省中研高分子材料股份有限公司 二〇二五年十一月 1 吉林省中研高分子材料股份有限公司 2025 年第二次临时股东会 会议资料目录 | 吉林省中研高分子材料股份有限公司 | 2025 年第二次临时股东会须知 3 | | --- | --- | | 吉林省中研高分子材料股份有限公司 | 2025 年第二次临时股东会会议议程 5 | | 议案 | 1：《关于补选非独立董事的议案》 7 | | 议案 | 2：《关于修订<公司募集资金管理制度>的议案》 8 | 2025 年第二次临时股东会 会议资料 2 吉林省中研高分子材料股份有限公司 2025 年第二次临时股东会 为了维护全体股东的合法权益，确保股东会的正常秩序和议事效率，保证大 会的顺利进行，根据《中华人民共和国公司法》（以下简称"《公司法》"）《中 华人民共和国证券法》（以下简称"《证券法》"）《上市公司股东会规则》以 及《吉林省中研高分子材料股份有限公司章程》（以下简称"《公司章程》"） 《吉林省中研高分子材料股份有限公司股东会议事规则》（以下简称"《股东会 议事规则》"）《吉林省中研高分子材 ...

Group 1 - Company Biao Bang Co., Ltd. has decided to terminate the planning of a change in control due to failure to reach consensus on key terms with the trading party, and will resume trading on November 7, 2025 [1] - Company Su Da Wei Ge plans to acquire 51% of Changzhou Weipu Semiconductor Equipment Co., Ltd. for 510 million yuan, making it a subsidiary [2] - Company Bei Ji Shen Zhou expects its revenue for 2025 to be between 36.2 billion yuan and 38.1 billion yuan, an increase from the previous forecast of 35.8 billion to 38.1 billion yuan [3] Group 2 - Company Hua Hong Semiconductor reported a revenue of approximately 12.58 billion yuan for the first three quarters of 2025, a year-on-year increase of 19.82% [4] - Company Jie Neng Wind Power plans to raise no more than 3.6 billion yuan through a private placement to fund various green power projects [5] - Company Zhen Ai Mei Jia is in the process of transferring control, with trading suspended since November 5, 2025, and expected to remain suspended for up to three trading days [7] Group 3 - Company Xin Hope plans to establish a joint venture with state-owned funds with a total registered capital of 2.87 billion yuan, where Xin Hope will contribute 2.1 billion yuan [8] - Company Yun Nan Ge Ye has approved a project to establish a new semiconductor materials company with an investment of 500 million yuan [8] - Company Tian Ci Materials has signed contracts for the supply of electrolyte products with two major clients, with expected total volumes of 87,000 tons and 72,500 tons for the years 2026-2028 [9][10]

Core Viewpoint - The company has announced the nomination of Mr. Qin Zhenxing as a candidate for the non-independent director of the fourth board of directors [1] Group 1 - The board of directors of the company has approved the nomination [1]

Group 1 - The core point of the article is that Zhongyan Co., Ltd. has decided to increase its investment in Houhe Medical to 50 million yuan to support the subsidiary's business development and meet daily operational needs [1] - As of the report, Zhongyan Co., Ltd. has a market capitalization of 5 billion yuan [3] - For the year 2024, the revenue composition of Zhongyan Co., Ltd. is entirely from new chemical materials, accounting for 100% [2]

Core Viewpoint - The company Zhongyan Co., Ltd. (688716.SH) announced a capital increase of 45 million yuan to its wholly-owned subsidiary, Houhe Medical, to support its business development and meet daily operational needs [1] Group 1 - The capital increase will raise Houhe Medical's registered capital to 50 million yuan [1] - The transaction does not constitute a related party transaction or a major asset restructuring [1] - The capital increase does not require approval from the shareholders' meeting [1]

Core Viewpoint - Zhongyan Co., Ltd. (688716.SH) has decided to increase its investment in Hohua Medical to 50 million yuan, aimed at supporting the subsidiary's business development and meeting daily operational needs [1] Group 1 - The capital increase is entirely allocated to support the subsidiary's business development [1] - This decision is made to enhance the capital strength of the subsidiary and is considered a prudent decision for the company's long-term development [1]