... ,C1018,C1022,C1035K,C10458, Alloy steel: SCM435,C10B21,C10B33Specification& gaugeM0.8-M10Surface FinishingZn- Plated,Ni-plated,Passivated,Tin-plated,Sandblast and ... salesC: Advantageshave the best professional and experienced engineers( more than 8 years in this field) and strict QC and QA systemHave ...