鑫科材料：参股子公司拓鑫智连之高速铜连接项目相关产品处于送样检测阶段

Group 1 - The core viewpoint of the article is that Xinke Materials has indicated that its subsidiary, Tuoxin Zhilian, is currently in the sample testing phase for its high-speed copper connection project, and has not yet generated bulk orders [2] Group 2 - The company is actively engaging with investors through an interactive platform to provide updates on its projects [2] - The high-speed copper connection project is a significant initiative for the company, reflecting its focus on advancing technology and product development [2]