对机械零部件进行调质、淬火等热处置及精密加工，提升工件硬度、强杜纂耐磨性，尺寸不变，适配各类高负荷工况设备使用。

It carries out heat treatment such as quenching and tempering and precision machining on mechanical parts, improving hardness, strength and wear resistance with stable dimensions, suitable for various high-load working conditions.