... the products for your reference. 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 ... . 6. Specifications of Forging: Shape Diameter(m) Length(m) Shaft ≤2.5 ≤15 Block ≤4.0 / Ring ≤4.9 ...