主营产品:Government, banking, securities, electric power, telecommunications, enterprises, military, radio and television media, real estate, education and other fields
主营产品:R&D, production and sales: anti-theft alarm equipment, monitoring equipment, communication equipment, building intercom (visible) equipment, public broadcasting equipment, electromechanical equipment, computer software and hardware, office equipment, network engineering and system integration, and after-sales maintenance services for the above products
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:Instrumentation systems for scientific research in the fields of physiology, ecology, environment and hydrology, such as soil, plants, environment, hydrology, meteorology and animals
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.