超声电子(000823.SZ)：覆铜板业务暂没有扩产计划

Group 1 - The core viewpoint of the article is that ChaoSheng Electronics (000823.SZ) has indicated that its self-use of copper-clad laminates for PCB business accounts for approximately 5%, with the remainder being for external sales [1] - Currently, there are no plans for expansion in the company's copper-clad laminate business [1]