Shenzhen Tongsion believes quality is the most important cornerstone of a company’s operations. Everyone at Tongsion strives to meet or exceed the expectations of customers, and aims to improve constantly on both manufacturing and servicing of our product. Tongsion further controls the hazardous substances of product effectively to meet the RoHS standard in the world.

The Quality System consists of 6 main parts below:

1. Quality Training

2. Incoming Quality Control

3. In-process Quality Control

4. Compatibility Testing

5. Performance Testing

6. Finished Product Testing

Cerfitication: