1. Customer’s payment bill before production.
1. Customer’s drawing before production.
2. The factory has completed the cutting process.
3. The impeller has been welded by technicians with years of welding experience.
4. Four fans have been produced and completed.
5. The factory has completed the assembly of the fan.
6. The factory has finished welding the fan and applied the primer coating.
7. The factory has completed the second round of painting for the fan.
8. Completion of quality inspection for the fan.
1. Packaging and shipping of the fan.