... the products for your reference.1. Main products: Custom Open Die Forging, Main Shaft, Wind Power Shaft, Stabilizer, Flange, Coupling, Shell ... , Hydraulic Cylinder Forging, Roller Forging, Ring Forging, Gear Blank, Gear Wheel.2. Materials: Carbon steel, Alloy ... (m)Length(M) Shaft ≤2.5 ≤15 Block ≤4.0 / Ring ≤4.9 ≤3.5 Cylinder ≤1.5 ≤8.08. Standards ...