Core Viewpoint - Yongjie New Materials (603271) has confirmed its mature application of liquid cooling plate materials in solid-state battery cooling technology, indicating a stable mass production and integration into major domestic manufacturers' supply chains [1] Group 1: Company Developments - Yongjie New Materials has established a partnership in solid-state battery cooling technology, showcasing its liquid cooling plate materials [1] - The company's products are compatible with solid-state battery applications and have achieved stable mass production [1] Group 2: Market Position - Yongjie New Materials' liquid cooling plate materials have been integrated into the supply chains of major domestic manufacturers such as Sanhua Intelligent Controls (002050) and Kexin New Energy (300731) [1]