... s request.1. Main products: Custom Open Die Forging, Main Shaft, Wind Power Shaft, Stabilizer, Flange, Coupling, BOP Body, Tube Plate, Roller ... Forging, Roller Shell, Ring Forging, Gears, Gear Blank, Gear Shaft, Gear Wheel. ... supplier. 6. Specifications of Forging: Shape Diameter(m) Length(m) Shaft ≤2.5 ≤15 Block ≤4.0 / Ring ≤4.9 ...