GreatMTechnology Co., Ltd., located in a beautiful developed city-Shenzhen, China , close to Hong Kong.It is a high-tech enterprise specializing in designing and producing computer  accessories. Our main products are computer   accessories like  keyboard， mouse，headset and speaker. We also have a inspection team to do quality control and shipping servive to customers.Our service will let you feel free to do business with China.  Founded in 2008, we have accumulated richexperience in ODM & OEM business. Our products are sold to Europe, America, the Middle East, South America, Sout ...[Detailed introduction]