gear for ship gear box 1.Material:carbon steel 45,20CrMnTi,40Mn,65Mn 2.Size:customized 3.ISO:2000/TS16949 4.OEM available gear for ... ) We supply Spur gear,Helical gear,bevel gear,spur bevel gear,helical bevel gear.etc(2)Apply for automotive,construction machinery,ship machinery,agricultural machinery,etc ...