1.Effective precision watchcase 2.High quality control system 3.Strictly controlled casting tolerance. ... committed to providing all types of steel products with high quality and competitive prices. The line of production:Automobile motorcycle ... CAPABILITYZinc plate, chrome plate, polishing, paint, powder coat, shot blast,sand blast, phosphating, grindingMATERIAL CAPABILITYCarbon steel, alloy steel, ...