高精密轴承、微型静音轴承、汽车轴承、风电轴承、铁路轴承、风电齿轮箱轴承、偏航变桨轴承、卡车轴承用钢球，滚子及新能源用陶瓷球。

Steel ball and roller for high precision bearings, micro silent bearings, automotive bearings, wind power bearings, railway bearings, wind power gearbox bearings, yaw pitch bearings, Truck Bearings. Ceramic ball for EV.