... , Coupling, Shell, Hydraulic Cylinder Forging, Roller Forging, Ring Forging, Gear Blank, Gear Wheel.2. Materials: Carbon steel, Alloy steel, Copper, etc3 ... /ASME, EN, DIN 9. Max Weight: 55T 10. Certification: ISO9001: 2000 11. OEM and Customized service offered forging products-zinc plated casted O ...