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outdoor advertising LED screen- led small pitch display screen-smart campus central control system-hd video matrix-educational resource platform-3 a
www.3aaudio.com 2023-10-20
yuanheng transportation is a world-renowned transportation field LED display screen manufacturer, independently developed by the company LED traffic induction screen, variable speed limit sign, passenger information display screen, command center display screen, etc. LED display products are widely used in roads, airports, subways, stations and other places, and are highly praised by customers.
www.yahamtraffic.com.cn 2023-10-20
the public security police bidding and procurement network provides instant bidding and procurement big data from the public security bureau, police police, police academy, police station, etc., including police equipment, command centers, system software, police cars, police uniforms, police stations, security inspection and security. information is a big data platform for aggregating information on police bidding and procurement announcements for enterprises
www.bid110.com 2023-05-12
kegao provides computer system integration, software and hardware development, IT the distribution of services and computer hardware products is extended to audio and video conferencing systems, multimedia conference rooms, large command centers, security monitoring and alarm systems, and building intelligence design, construction and technical services.
www.cckegao.com 2023-10-06
