东材科技：生产的功能聚丙烯薄膜主要用于新能源用薄膜电容器领域和特高压用薄膜电容器领域

Group 1 - The core viewpoint of the article is that Dongcai Technology's functional polypropylene film is primarily used in the fields of new energy film capacitors and ultra-high voltage film capacitors [2] Group 2 - Dongcai Technology responded to investor inquiries on its interactive platform regarding the applications of its products [2]