Shenzhen Tonhong Digital Electronic Co., xxxxx in 2002.Specialize in the design,manufacturing and marketing of digital products,including USB flash drivers, MP3devices,chargers,solar cells and mobile phones.We achieve this by:producing reliable, high quality products, support continual improvement, and selling our products at a fair price. Basing on traditional USB Flash Disk, En-tron has successively developed Flash USB Disk for advertising, high speed and ingerprint,security locker,USB drive locker, black box for motor,data USB reader for digital controlling tool. We also have issued several traveling chargers, such as UrgentCharger,solar charger, arbitrary charger, free charger, universal charger and intelligent charger other than general charger. So we have gained a mass of orders from known companies. Our primary clients are Sinotruk, Huawei Technology, UFIDA in China, Tyco, THOMSON, EMERSON,,OTIS, Keithley, NSK, Instruction in the Unite States, FIDUCIAL, GMP, FSI, ASCO, Wurth,K+N, GEO, ABX, Bayer and D-BASF in Europe and all that. And we also are long-term gifts supplier of China Telecom, China Mobile, Korea Telcom, branded, Samsung and Alcatel.