... ; 3) professional experience Custom metal parts machining service Xiamen Jianxinda Hardware Manufacturing Co.,Ltd.NameCustom metal parts machining service Materials:Stainless Steel,Aluminum,brass,copper,ABS,iron ... steel Chemical inhibition (Cu/Brass)Anodizing, Polish,Sand-lasting,Wire drawingPowder-Coating,Passivation, Heat treatment Tolerance:0.005mm~0.1mmEquipmentCNC machining center, CNC ...