Jiangsu Lixing General Steel Ball (300421.SZ) stated on the investor interaction platform on August 21 that the company has focused on developing roller samples for high-speed rail bearings. When the high-speed rail rollers are mass-produced in the future, they will become a point of profit growth for the company.
力星股份(300421.SZ)：已着力开发了高铁轴承用滚子样件
Jiangsu Lixing General Steel Ball (300421.SZ) has been actively developing roller samples for high-speed rail bearings.
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