Shenzhen Zhenshi Technology Co., Ltd., founded in 2003, has grown to be one of the largest and most professional digital video recorder (DVR) developers & manufacturers in China nowadays. Zhenshi is a HIGH-TECH enterprise specializing in the R&D, manufacture and distribution of DVR cards, standalone DVR, and motherboards. Aiming at the great potential civil security and surveillance market, Zhenshi considers customers' diverse requirements in design, manufacture, inspection and delivery. Currently, Zhenshi takes the leading position in China (including Taiwan area) and all our products are exported to America, Europe, Japan, South Korea, Australia, Turkey, and the Middle East. Zhenshi owns a strong R&D team with over 6 years' developing experience and over 5 years of professional knowledge. We can quickly respond your feedback and are well equipped to meet your requirement.