Fast: a variety of service means to provide services for users, and strive to make the needs of users in a very short time to be solved.
Hotline service: 0769-89957788/89957789 /189 2925 8795
Email response: service@grvnes.cn
Online service: 12-hour online after-sales service
QQ: 3367640679 (9 a.m. — 6 p.m. weekdays)
Remote service: wechat, QQ remote assistance, promise to reply within 24 hours after receiving the service request
