1,All sizes of forged steel parts. 2,Carbon steel,alloy steel 3,Produced ... produce various kinds of gears, shafts, washers, sleeves, rings, flange, steel cylinders, crankshafts, blocks and isoforms. 1, Forging Parts Material: High ... Strength Alloy Steel or Carbon Steel2, Forging Parts Process: Ingot-Forging-Rough Machining-Heat Treatment-Mechanical ...