Founded in 2000, Wan Bao Tong (China) Electronic Co., Limited is one of the professional manufacturers and wholesales suppliers of various USB Flash Drives in china and also is the largest supplier for trade company in china . Our USB FLASH DRIVE including jewelry usb flash drive .Wooden material,Metal material,Silicon material,Plastic material,Leather material,Cartoon like,Watch like,Pen like and so on.We are happy to provide you OEM and ODM service.and various memory card .. .. We have some factory located in GuangDong province ,china .it covers an area of 5000 square meters with 500 employees. Our company has dozens of development engineers. We can produce products according to customers' requirements. For a long time, our company has formed a set of strict quality control system, from raw material purchasing, production, to marketing. some usb flash drive we have own patent