Shen Zhen Naston Co.Ltd., Is a new and high technology company specializing in the OEM, manufacture and marketing of digital products.With tremendous strength, complete & advanced equipment and excellent management, we are deeply involved in manufacturing MP3 player, MP4, , USB flash disk, And USB HID Thermometer---TEMPer HUMr, GPS navigator and mobile phone. Becourse of our high quality, We will constantly offer our customers perfect after-sale service and high quality products.