At Wuxi Superhuman Gear Cold Extrusion Co., Ltd., every product undergoes a strict and systematic manufacturing process to ensure premium quality, durability, and performance.
1. Cut Material – Raw materials are cut precisely to the required dimensions.
2. Anneal – Materials are annealed to improve toughness and machinability.
3. Surface Treatment – Advanced surface treatment is applied to enhance wear resistance.
4. Forge – High-precision forging ensures superior strength and structural integrity.
5. Machining – CNC machining guarantees accurate dimensions and fine tolerances.
6. Heat Treatment – Heat treatment improves hardness, strength, and durability.
7. Shot Blast – Surface cleaning and strengthening are achieved through shot blasting.
8. Grinding – Precision grinding ensures smoothness and exact fitting.
9. Assembly – Automated assembly lines integrate all components with high efficiency.
10. Delivery – Finished products are carefully packaged and delivered worldwide.
This complete process, supported by advanced equipment and strict quality control, allows us to deliver reliable starter drives, overrunning alternator pulleys, and precision gears that meet international OEM and aftermarket standards.


