... GGG45. 2.Size:customed 3.Usage:gear box casting iron gear boxcasting iron,casting parts,gear box1.Material:casting iron,GG20-GG30; GGG45 ... .2.Size:can be customed3.Usage:gear box4.Sand Casting5.OEM Orders are WelcomeItem:casting iron ... gear boxSize:Exact by customedKeywords:casting iron ,casting parts,gear boxMaterial:GG20-GG30; GGG45.;Paint: ...