新益昌(688383.SH)：子公司海威真空研发的复合铜箔一体成型机主要用于薄膜电容、锂电池行业的复合集流体

Group 1 - The core viewpoint of the article is that Xinyi Chang (688383.SH) has developed a composite copper foil integrated forming machine through its subsidiary Haiwei Vacuum, which is primarily used in the film capacitor and lithium battery industries [1] - The integrated forming machine is designed for applications in composite current collectors and PET coating for flexible displays, but it is not suitable for PCB copper foil [1]