Shing Yip Industrial Bldg No. 19-21 Shing Yip Street Kwun Tong Kowloon, Hong Kong
US RJ Technology Co, Ltd. is the biggest manufacturer of CCTV security system products. Our company?? headquarter located in New York ,the branch HongKong China, and a factory Shenzhen, China. We are specializing manufacturing cameras, Color CCD B/W Dome ...
dvr, cctv camera, dvr card, cctv tester, ip camera, wireless camera, mini spy camera