... , we can provide customers with comprehensive service including tooling made, forging, heat treatment, machining ,painting and packaging. Cooperating with customers from ... forgings: 25CrMo4, 42CrMo4, 40CrNiMo, 34CrNi3Mo, 25Cr2Ni4MoV, 18CrNiMo5, 30CrMo, 4130,41405) Gear related forgings:35CrMo, 34CrMo4, 4137, 42CrMo, 4140, SCM440, 20CrMnMo, 40CrNiMo ...