... ,S130,H13,2344,738H,718,8407,S136,NAK80,P20,KD-61,NIMAX ect3Steel hardness20-60HRC4TreatmentPre-Harden, Nitriding, Heat ... /SYNVENTIRE/ANNTONG7GateSubmarine gate, side/edge gate, direct gate ect8Plastic material for the partsPA, POM, ABS, PP, PET, PC, PE, ... in design and manufacture of plastic injection mould ( tooling) for Automotive, Electrical appliances ,Housewares ,Medical devices, Toys and Games ...