铜冠铜箔：IC封装用载体铜箔正在推进新产品的技术研发及产业化工作

Group 1 - The core viewpoint of the article is that the company, Tongguan Copper Foil, is actively advancing the research and development of new products, specifically copper foil used in IC packaging [2] Group 2 - The company is focusing on the technological development and industrialization of its new product offerings [2]