SR-4001

Product Description

Can produce all the country or industry standard and process depend on drawing 　 　 　 　
Material：65Mn、SK5、SK7、Stck6、T8、T10、50CrV、60Si2Mn、CK45、1040-1050 　 　 　 　 　 　
Surface treatment：black oxide finish 、phosphating、Galvanized processing、dacromet、Mechanical galvanizing (dark) processing