1. Contact with RMA engineers to get the RMA number
2. Download and fill out the form " RMA from"
3. Ship the RMA products to us with the RMA number outside the packaging box.
4. RMA department deals with testing and repairing,usually this will last 1 to 2 weeks.
5.Repaired products are returned to the customer,if additional charges are incurred,customer needs to arrange the payments.
Contact information of RMA engineers
Product return mailing address:
Room 901,Block B, 20th Heping Xiyuan, HePingxi Street, Chaoyang District, Beijing 100013,P.R.China