we are experienced in a large exporter for a long time.mainly specialized in zinc alloy and aluminum alloy die casting manufacturer in HongKong since 1994,our factory is located in ShenZhen,China.most of our management personnel is from HongKong and Japan. Zamak 3 LOCK 1.material: zinc alloy 2.100% die casting molding 3.tol.0.005mm without secondary process 4.no draft angle allowed 5.good surface finishing attach a picture for your reference.pls check it.