Product lifetime warranty, free supply of glue and cloth for maintenance. Our after-sales service personnel will solve difficult problems for you in time. After receiving customer information, give customers a treatment opinion or technical guidance that cannot be processed immediately. Contact the customer within 24 hours and submit a handling opinion based on the actual situation. It can be used around 100,000 people. Distribute the appropriate fan, glue and repair material. Good quality, excellent service and professional technology are our solemn commitment to every customer.