... priceMaterial:Aluminum,Iron,Brass,Carbon steel,Bearing steel,stainless steel,PlasticSurface TreatmentPolishing,Zinc/Nickel/chrome ... .Reverse Engineering.Item NO. mechanical part processingMaterialsIron, aluminum, steel, copper, plastic, carbon steel, nylon, bronze, solder alloy ... treatmentHeat treatment, polishing, PVD/CVD coating, galvanized, electroplating, spraying, and painting and so on ...