Production process 
There are 12 production steps: 
1. Supplied Materials, 
2. IQC, 
3. Picking 
4. Welding, 
5. Semi-finished Products Full-inspection 
6. Semi-finishedProductsElectricalTest 7. ProductAssembly 
8. Product Electrical Test 
9. Finished aging 
10. Surface inspection 
11. Packing 
12. Shipping 

OEM process 
1. Request 
2. Feasibility assessment 
3. Sign contract 
4. Satisfied version 
5. Customer affirmed 
6. Mass production 
7. Delivered on time 
8. Products 

About sale-after service 
We will contact you by e-mail or telephone unscheduled, at least once a month. We have professional person service to you online at any time!