... make forging parts and casting parts. Here are some details of the products for your reference. 1. Main products: Custom ... , Coupling, BOP Body, Tube Plate, Roller Forging, Roller Shell, Ring Forging, Gears, Gear Blank, Gear Shaft, Gear Wheel. 2. ... Materials: Carbon steel, Alloy steel 3.Supplying range: Shafts, Sleeves, Rings, Cylinders, Blocks, Modules etc 4. Process: Forging/Casting – Normalizing ...