1. The universal joints we offer have excellent performance&long longevity/serviceable duration. 2. Material: steel 45#,casting,forging or as per customers' requirements. 3. Our universal joints are of high intensity&rigidity. 4. Heat resistant &Distortion resistant. 5. Our u-joint meet ISO9001: 2000 quality system. 6. With R&D dept., both ODM&OEM orders are welcome. 7. Packing:standard export packing or as per customers' requires. 1)inner packing:plastic sack and paper boxes. 2)outer packing: paper carton and wooden crates. Other relevant parts for cars or machines we have made in our workshop are as follows: bearings tranmission shafts steel structure forge products