QLOCOM brand are more than 10 years original factory in Shenzhen China. The company supports service as follow: A. 12 month warranty. B. Free replacement of non-human damage device. C. 24 hours online service,R&D team will help you with the technical questions. D. Products customization OEM and ODM. E. The big warehouse with enough stock, support quick delivery. F. All goods have CE FCC certificate, easy for you to import and sale, etc.