Spur gear
1) Material: 42CrMo, 20CrMnMo, 20Cr2Ni4, 35CrMo, 20CrMnTi and other high intensity alloy
steel
2) Tooth flank carburization and nitrification, with rigidity of HRC58-62
3) Gear precision: Grade VI
4) Size:diameters from 5-500mm,module 2.5 up 12.5
5) gear wheels machining as per customers' drawings and raw materials available
6)Packing: wooden cases or as  customers' requirements