Granville Technology Co. Ltd. Shenzhen as - China

Dewey, as the Shenzhen Technology Co., Ltd. was established in August 2007, specializing in the field of security surveillance cameras CCD R & D, production and sales, is a high-tech enterprises, products are widely used in public security, frontier defense, prosecution, courts, prisons government agencies and other countries as well as airports, banks, highways, railway stations, docks, factories, schools and other places.