The product realizes process： 

In our factory, weather is a rainbow product or OEM product, all must pass by below step can complete the process of its production.

1. Market research( RAINBOW product) or customer communication (OEM product) 
2. engineering department analysis
3. design plan
4. auditing, verification
5. make samples
6. confirm samples
7. engineering document to output
8. guarantee of stage quality 
9. match the quality standard 
10. the product to let go and consign.