As well as each kind of copper, iron, aluminum, stainless steel and so on material quality different GB code, non-sign heterogeneous type automatic lathe, screw, nut, axis core and so on.

• 以及各种铜、铁、铝、不锈钢等材质不同的国标、非标异型自动车床件、螺丝、螺母、轴芯等。