主营产品：Zhengzhou Alishi's main business includes: LCD monitors, large LCD splicing screens, indoor small-pitch LED full-color screens, multi-screen processors, matrix switchers, signal distributors, etc.
主营产品：Century capture card Century hard disk recorder (DVR) network video recorder (NVR) Century network camera (IPC), Hikvision series, Clarisonic alarm equipment, video transceiver transceiver and monitoring peripherals.
主营产品：ST surveillance camera, Zhongwei Century capture card, Zhongwei Century Hard disk video Recorder (DVR) network video recorder (NVR), Zhongwei Century network camera (IPC), Hanbang hard disk video recorder, Haikang hard disk video recorder, Kelixin alarm equipment, video optical transceiver transceiver and monitoring peripheral equipment.
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