证券日报网讯1月23日，万润股份（002643）在互动平台回答投资者提问时表示，公司布局的高性能聚 合物产品聚醚酰亚胺(PEI)材料下游面向挤出、注塑、改性等类型企业，据了解下游客户在航空航天复 合材料领域具体产品用于飞机流体分离电磁阀上使用的注塑件，此类产品质量需满足相应客户的质量指 标要求。 ...

Group 1 - Wanrun Co., Ltd. (002643) closed at 14.99 yuan on December 30, 2025, down 1.77%, with a turnover rate of 3.3%, trading volume of 300,200 shares, and a transaction amount of 451 million yuan [1] - The company is actively advancing the construction of a new high-end production base for OLED materials, with a total investment of 530 million yuan and an expected annual production capacity of 30 tons [2] - The company has initiated trial production of a 1,500-ton production line for high-performance polymer products, specifically polyether imide (PEI) materials, which are used in aerospace applications [2] Group 2 - On December 30, 2025, the net outflow of main funds was 4.478 million yuan, while retail investors saw a net inflow of 21.198 million yuan [3] - The company has existing business cooperation with China Petroleum & Chemical Corporation (Sinopec) and has generated revenue from this collaboration [2]

Core Viewpoint - The company has developed high-performance polymer products, specifically polyetherimide (PEI) materials, which are applicable in commercial aerospace and other industries, and has initiated production with a capacity of 1,500 tons per year [2]. Group 1 - The company's PEI materials are primarily used in applications such as fiber optic connectors and aerospace composite materials [2]. - The production line for PEI materials has commenced trial production, indicating progress towards full-scale manufacturing [2]. - The company anticipates that as the production line matures and downstream demand increases, it will gradually reach full production capacity [2].

Group 1 - The company, Wanrun Co., Ltd. (002643.SZ), is primarily engaged in the research, production, and sales of products in four sectors: electronic information materials, environmental materials, new energy materials, and life sciences and pharmaceuticals [1] - The high-performance polymer product, polyetherimide (PEI), has commenced sales, with a production line that has an annual capacity of 1,500 tons now in trial production [1] - The PEI material is expected to gradually reach full production capacity as the production line matures and downstream demand increases, with applications primarily in fiber optic connectors, aerospace composite materials, and profiles [1]

Core Viewpoint - The company is actively involved in the research, production, and sales of products across four main sectors: electronic information materials, environmental materials, new energy materials, and life sciences and pharmaceuticals [1] Group 1: Company Overview - The company has developed high-performance polymer products, specifically polyetherimide (PEI) materials, which have already begun sales [1] - The production line for PEI materials has an annual capacity of 1,500 tons and is currently in trial production [1] - The company anticipates that as the production line matures and downstream demand increases, it will gradually reach full production capacity [1] Group 2: Industry Applications - The primary applications for the PEI materials include fiber optic connectors, aerospace composite materials, and profiles [1]