Shanghai Uknow Electronic & Technical Ltd., Co. has many years of experience to produce customized USB devices for domestic and overseas customers. Our mission is to provide customized products and service to satisfy our clients. Now, Uknow can not only create all kinds of common printing of USB devices, but also make a variety of different appearances with different materials for different programs of USB devices. We also focus on professional digital products, such as net-books, MP3/MP4/MP5 players, digital photo frames, and others. Uknow has our own professional production plant, efficient management team and extensive sales network. We guarantee to provide you with high-quality products and high-quality service.