Once you found the product issues:
Take a picture or video submit directly.
Contact our sales department：
On working days we will response within 24 hours.
Analysis and compatibility test:
R&D department will test the spare parts of your order, searching and give a possibility resolve solution.
Proposed Solution:
Our sales representative will contact you within a week and support you with an optimal solution.
Repair, Return:
it will not exceed on month.