... Product name Aluminum parts in CNC machining for electronic spare partsMachines IntroEquipped with the hight-efficiency and high precision advanced ... such as assembly, surface and heat treatmentSurface FinishBased on customer requirements, we can do Plating(Zinc plated, ... Nickel plated, Chrome plated), polishing(precision can reach +/-0.005mm), knurling, anodizing, Black Oxide, ...