Bumper molding mould 1.Material:P20,2738,718,45# 2.Cavity Qty: ... Base:LKM We are specialized in designing and making Bumper molding mouldProduct Name Bumper molding mouldCore & Cavity Steel S50C(45#),40Cr,P20H,718H,2738 ... ,5CrNiMo,38CrMoAC,H13,S136HSteel hardness HRC 28--50Molding Way Compresion molding ...