... : Custom Open Die Forging, Main Shaft, Wind Power Shaft, Stabilizer, Flange, Coupling, BOP Body, Tube Plate, Roller Forging, Roller Shell, Ring Forging ... Cylinder ≤1.5 ≤8.0 7. Standards: GB, JIS, AISI, SAE, ASTM/ASME, EN, DIN, GOST 8. Max Weight: 55T 9 ... . Working Site:12. Products13. Packing & Delivery14. Company Certificate Elastic Pin Coupling