联赢激光：公司已经为两家头部客户提供全固态电池研发线

Group 1 - The core viewpoint of the article is that the company, Lianying Laser, is actively engaging in the development of all-solid-state battery production lines for two leading clients, indicating a strong commitment to innovation in response to market demands [1] Group 2 - The company is focusing on enhancing its research and development of new technologies and products to meet market needs [1]