立中集团：暂不涉及PCB材料业务

Group 1 - The company, Lichung Group (300428.SZ), primarily engages in three main businesses: aluminum-based functional intermediate alloys, recycled casting aluminum alloys, and aluminum alloy wheels [1] - The company holds a 45% stake in an associate company that specializes in lithium hexafluorophosphate products [1] - Currently, the company is not involved in the PCB materials business [1]