Shenzhen Qichuang Electronic Co., Ltd is a professional manufacturer and exporter of all kinds of accessorial products of digital products and computer,mainly are USB products:USB card reader,USB HUB,Bluetooth Dongle,1394 card and so on.All of our products are manufactured using up-to-date technologies and advanced equipment.And they are fully tested before delivery.We can provide sample for testing,and also welcome you to visit our factory.