hard chrome plated piston rod for shock absorbers

ningbo hidco auto parts company is a subsidary company of ningbo evergreen guotai group,specilized in below items:

heat treatment hard chrome plated piston rod for shock absorber ,cylinder and so on

1.material: CK45,CK35,40Cr,NM360
2.kinds: hollow, solid
3.surface: QPQ, hard chrome, Ni-hard chrome4.technical production: grinding, high frequence quench,dedydrogenation,cnc lath,milling,threat rolling,punch hex,bonderizing,polish
5.inspection: rockwell hardness test, roughness test, plating thickness gauge, salt spray test,bending and tensile strength test

please send us drawings for a quotation!
hard chrome plated piston rod for shock absorbers