As a professional security surveillance products manufacturer, Macro-Video Technologies Co., Ltd. is one of the biggest brands of DVR (Digital Video Recorder) cards in China. We specialize in the R&D of DVR cards and relevant application software.



Our DVR card is famous for the stability, reliability and compatibility, and we have obtained a good reputation all over the globe. We test the DVR cards in different OS and configuration to make sure they run perfectly. With an experienced engineering team, we will continue to focus on the innovation as always and make every...