After sales service process

1. After receiving the feedback from the user on the service and quality, the after-sales service will investigate and analyze the cause and fill in the “quality information report form” to the relevant department.
2. The relevant departments shall determine the responsible department according to the situation, limit the processing time, and transmit the relevant responsible department.
3. The responsible department shall formulate corrective and preventive measures for customer complaints, and the relevant departments shall verify it.
4. The after-sales service will reply the user with the measures taken by fax or telephone.