we make plastic injection mould with high quality and timely delivery. Yuntian is an ISO9001:2000 certified company specialized in making plastic injetion moulds ... steel: NAK80,738H, SKD61, P20, 718, 718H, 2738, 738,etc.·Plastic Material: ABS, PP, POM,PS, PVC, HDPE, HIPS,etc.·Mould ...