You can make an appointment through the following two methods:

Call customer service center:
Ms. Dai 18901570098

Contact online customer service:
Customer service working hours: 9:00-7:00 on weekdays

Installation warranty
Under normal maintenance and upkeep conditions, from the date of installation acceptance,
Enjoy a one-year installation warranty.

Product Warranty
Under normal maintenance and upkeep conditions, from the date of installation acceptance,
Enjoy a corresponding product warranty period.