Liaoning Yingkou Tiancheng Fire Equipment (营口天成消防设备有限公司) was founded in 1993. It is a national high-tech enterprise with a campus of more than 24,000 m² in the Yingkou area of the Liaoning Pilot Free Trade Zone. Products include fire alarm and linkage control systems, gas suppression control, fire telephone and PA systems, combustible gas alarms, electrical fire monitoring, emergency lighting and evacuation signage, and wireless and cloud fire platforms. Its residual-current electrical fire monitoring detectors and monitoring equipment hold fire product certifications 5982023ZY010008 and 5982023ZY010007 from the Tianjin Fire Research Institute of the Ministry of Emergency Management.