Shanghai Leinuo Fire Safety Technology (上海磊诺安防技术股份有限公司) was founded in 2004. It produces inert gas extinguishing agents and assembles, processes and tests cylinder banks for gaseous fire suppression systems, and it also provides dangerous-goods logistics, IoT services and maintenance of building fire protection systems. Its clients include fire equipment makers, fire engineering contractors, metro systems, airports, power utilities, telecoms operators and bank data centres. Its IG-541, IG-100 and carbon dioxide extinguishing agents hold fire product certifications 5982026ZY110048, 5982026ZY110047 and 5982026ZY110046 from the Tianjin Fire Research Institute of the Ministry of Emergency Management.