濮阳惠成：年产5万吨顺酐酸酐衍生物项目已经投产

Core Viewpoint - Puyang Huicheng (300481) has announced that its annual production project for 50,000 tons of anhydride derivatives has commenced operations [1] Company Summary - The company has successfully launched its project aimed at producing 50,000 tons of anhydride derivatives annually [1]