1,tyre mound 2,non-standard forging 3,rough machining 1,we ... 5CrMnMo,40Cr,42CrMo,20Cr2Ni4,5CrNiMo,15CrNiMo,20CrNiMo,35CrMo,40CrNiMo,etc.7,regularly,we accept processing on giving materials. 8,according to ... customers' clear requirements we can render excellent heat treatment. vehical tyre moulds