- China Spur Gear OEM & Contract
- 2017-01-01 11:39
- 1. MaterialsASTM4140, ASTM1045, ASTM4340.Chinese standard: 42CrMo, 45#, 40CrNiMo.We also manufacture custom gears accord
- Gears for Agricultural Machinery
- 2016-12-29 18:30
- China gear contract manufacturer Shanghai DE Company provides bevel, (double) helical, spur gear OEM & CMS services for