Group 1 - The company has developed high-end HVLP copper foil equipment that breaks the monopoly of imported equipment in the domestic high-end copper foil market, achieving import substitution [2] - The production technology and product quality of the company's HVLP copper foil equipment are at the industry-leading level [2] - The company serves numerous clients, including Chang Chun Group, Nanya Technology, Nordson Corporation, JIAYUAN Technology, Zhongyi Technology, Yirich, and Guangdong Yinghua [2]