After-sales service

Mask Handling Service

 

Qing Yi as a mask version of the research and development and suppliers. In order to meet the needs of customers, Qingyi provides our customers with safer and more effective use of Qingyi products in different forms for the use of mask versions.


4-1. Precautions for handling
 

 

4-2. Notes on Unpacking


4-3. Precautions for taking
 


4-4. Precautions for cleaning
 

 

4-5. Precautions for Use
 
 

4-6. Precautions for safekeeping


4-7. Precautions for Pellicle