康达新材：公司参股公司成都铭瓷主要产品系列包括片式多层陶瓷电容器、钽电容器等

Group 1 - The core viewpoint of the article highlights that Kangda New Materials (002669) has a stake in Chengdu Mingci, which produces multilayer ceramic capacitors and tantalum capacitors [1] - The main product series of Chengdu Mingci includes multilayer ceramic capacitors and tantalum capacitors, applicable in various fields such as aviation, aerospace, shipping, communications, electricity, rail transportation, and new energy [1]