Shaanxi Jianrui Fire Safety Equipment (陕西坚瑞消防安全设备有限公司) is a high-tech enterprise that develops, manufactures, sells and services gaseous fire suppression systems, including heptafluoropropane (HFC-227ea) systems, cabinet-type heptafluoropropane units, IG541 inert gas systems, new-energy battery fire suppression systems, dry powder and water mist systems. The company also designs and installs fire protection works and offers maintenance, cylinder inspection and technical consulting. Its gaseous extinguishing equipment holds fire product certifications 5982024ZY100035, 5982024ZY100033 and 5982024ZY100036 from the Tianjin Fire Research Institute of the Ministry of Emergency Management.