... .Material : brass,steel,AL. 4.Different style Mechanical part Mechanical partBrass Mechanical partsBrass Parts,CNC machine Mechanical processingExcellent dimension accuracy Finishing: Zinc, Nickel, Chrome ... steel,PlasticSurface TreatmentPolishing,Zinc/Nickel/chrome plating,Painting,Powder coating,Hot galvanizedMain Processing EquipmentGrinding machine,Lathe, ,EDM center,Milling machine,horizontal ...