PROTECH SOURCES LIMITED We,Protech Sources Limited,are professional manufacturer of External Enclosure in China,exporter of Computer Peripheral and accessories.We are a HK registered company(Certificate Number:34804781-000-08-05-4) with headquarter in ShenZhen.Our leading product is HDD CASE with our own factory.Other products covers:Cooling fan,Modem/Routers,USB cables,USB hubs,Mouse Pad,Speakers,TV Tuner Cards,UPS,LAN Cards,Bluetooht etc. For more information,please feel free to visit our website: www.protech-corp.net (for HDD case) www.protech-corp.net.cn (for all other computer parts including Bluetooth, USB card, Hub, cardreader, Switch Hub, Cooling Pad, Mouse Pad,)