... quality control & best services 3 various materials and surface treatments Item Noprecision cnc milled partsMaterialsiron,aluminum,steel, ... ,PVD/CVD coating,galvanized,electroplating,spraying, painting and so onProcessing EquipmentsCNC machining center,CNC lathe,grinding ... measuring machine,projection machine,roughness tester,hardness tester and so onBusiness ScopeCNC center machining,drilling,turning, ...