力星股份：目前重点开发的氮化硅陶瓷球产品尚处于小批量生产和样品认证阶段

Core Viewpoint - The company is currently focused on the development of silicon nitride ceramic balls, which are in the small batch production and sample certification stage [1] Product Applications - The main application areas for the company's products include industrial mother machines, high-speed spindle bearings for precision grinding machine tools, and electric drive systems for new energy vehicles [1]