Establish in 2002,SHENZHEN TOPSON PLASTIC ELECTRONIC FACTORY specialize in the production of computer peripherals and accessories.our main products include usb tool kits,computer mouse,usb hub,usb flash drive,card reader and other computer parts.we have more than three hundred kind of patterns for each item.TOPSON also have designed new style to meet market and clients'need in every month.Quality is our main tool to win customer's faith which in the end is our goal.Through years of exploiting market and internal resturcture.Up to now we have exported our products to Europe,North...