Contact
CN +86-755-27953188
(9:00 - 18:30, Mon-Fri)
DE +49-341-21919793
(8:00 - 12:00 Uhr, Mo-Fi)
Warranty
All GGMM products come with a free warranty (12 months since the day you bought) and technical support services respond within 24 hours. By clicking here to register online, your 1 year extra free warranty will be automatically activated.