01

Submit a complaint

Customers may submit complaints via phone, email, or online form.
When submitting a complaint, the following information is required:

02

Complaint Registration

The after-sales department confirms receipt of the complaint within 24 hours.
And assign a unique work order number.

03

Initial diagnosis

The technical support team determines the type of problem based on the information.
Simple question: Remote guidance for resolution (such as operation adjustment, component replacement).
Complex issue: Arrange on-site inspection by engineers (time to be confirmed by the customer).

04

Processing Plan

During the warranty period: Free repair or replacement (excluding damage caused by human factors).
Over warranty or man-made damage: Provide a quotation for paid service, and execute after customer confirmation.

05

Execution and feedback

After the repair is completed, the customer signs the service report.
The after-sales team will make a follow-up call within 3 days to confirm the problem resolution and customer satisfaction.

06

Record archived

Complaint content, processing process, and results archived.
For product improvement.