... . 3.TS16949;ISO9001 4.competive price TS16949 VOLVO truck tow hook About Zhongsheng ForgingRizhao Zhongsheng Forging Company Ltd. ... large trailed load and keep the safety when the truck goes wrong .We now are exporting them to ... 42CrMo4, 40CrNiMo, 34CrNi3Mo, 25Cr2Ni4MoV, 18CrNiMo5, 30CrMo, 4130,41405) Gear related forgings:35CrMo, 34CrMo4, 4137, 42CrMo, 4140, SCM440, 20CrMnMo, 40CrNiMo, 20CrNi2Mo ...