... 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 steel 3. Supplying range: Shafts, Sleeves, Rings, Cylinders, Blocks, ... ≤8.0 8. Standards: GB, JIS, AISI, SAE, ASTM/ASME, EN, DIN 9. Max Weight: 55T 10. Certification: ISO9001: ...