四川美丰：高分子材料所涉产品主要包括全PE结构镀氧化物膜材，重载膜（FFS膜），聚丙烯流延功能膜材

Group 1 - The core viewpoint of the article highlights that a company has established a lithium battery separator project with a production capacity of 30,000 tons and has successfully entered the supply chains of leading enterprises like CATL, indicating significant growth potential in a high-margin sector [2] - The company, Sichuan Meifeng, clarified that it currently does not produce lithium battery separator products and its polymer materials mainly include full PE structure coated oxide films, heavy-duty films (FFS films), and polypropylene cast functional films [2] - There are no current plans for the company to expand production in this project, despite the perceived value of the asset not being fully recognized by the market [2]