Hop Cheong Industrial (Dongguan) Co., Ltd mainly engaged in aluminum, zinc alloy die-casting, machining and surface treatment. Our company has strict quality management system, has achieved ISO9001 certification in 1996. Die casting machine has 9 sets, 53 sets CNC machining center, 29 sets CNC lathe. In line with customer requirements, combined Chang developed surface treatment process, including anodic oxidation, fuel injection, powder, sand blasting, some plating.