联赢激光(688518.SH)：目前已为两家行业头部客户的中试线提供了全固态电池设备

Group 1 - The company has provided solid-state battery equipment for two leading industry clients' pilot lines [1] - The company has more partnerships with manufacturers for semi-solid batteries [1] - The company's laser welding equipment is primarily used in industries such as power batteries, consumer electronics, automotive manufacturing, and optical communications, with no involvement in the aerospace sector [1]