荣盛石化：公司拥有聚酯薄膜产能43万吨/年

Group 1 - The core viewpoint of the article is that Rongsheng Petrochemical (002493) has a significant polyester film production capacity of 430,000 tons per year, ranking among the top in China [1] Group 2 - The company actively engages with investors through interactive platforms, providing transparency about its production capabilities [1]