主营产品：Security monitoring, anti-theft alarm, building intercom, public broadcasting, video conferencing, smart home, smart parking lot, access control card, wireless intercom, LED display, LCD splicing screen, signal amplifier, mobile phone jammer, service caller and other products .
主营产品：Broadcasting equipment, audio and video equipment, weak power equipment, system integration equipment, wireless transmission equipment, IP network broadcasting system equipment
主营产品：Security gate, monitoring, access control, road gate, consumer machine, parking lot system, intelligent sensor lock, patrol system, three-roller gate, alarm, parking space lock, group telephone exchange, ID card reader and so on.
主营产品：Bugle player, musical electric bell instrument, military bugle instrument, rainproof sound post, remote bugle, amplifier, wireless microphone, classroom speaker, bugle player .......
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