drive shaft Features: 1:material:steel 45#, casting, forging or as per customers' requires. 2:excellent performance and long using life 3:high intensity and rigidity. 4:Heat resistant &Distortion resistant 5:meet ISO9001: 2000 quality system 6:With R&D dept., OEM orders are welcomed.If you have any interests in our products, pls contact us without hesitate.We are glad to serve you at any time. drive shaft parts and assemblies