Nexus Co.,Ltd. established in 2002 in Shenzhen. It's a professional manufacturer of video surveillance products which do research, producing, selling, after sales and service in one line. our "camera", "Video balun", "DVR", "Network Camera" and other series products have been widely used in government, public security, finance, electricity, transport, hospital, hotel, tourism services and other fields. Overseas, our products have been sold to countries all over the world.