1. Consulting service: the user meets any problem in the use process, can call free consultation telephone.
2. Package exchange service: during the replacement period, if there is any quality problem caused by the manufacturer, the user can go to the distributor's office for free.
3. The warranty service: during the warranty period, if the quality problem occurs, the user can enjoy the warranty service to the local after-sales service center. There is no after-sales service center in the local area, and the user can entrust a dealer with warranty service.