Zhejiang Minchen Fire Technology (浙江民辰消防科技有限公司) researches, produces, designs, installs and maintains gas fire suppression equipment. Its 12,000 m² plant is in the Chumen industrial park in Yuhuan. Products include electrochemical energy-storage suppression systems, machine-tool and rack-mounted systems, perfluorohexanone (1230) units, fire-detection-tube systems and kitchen suppression units. Customers include metro, utility-tunnel, petrochemical, telecom and power projects. Its CO2 and heptafluoropropane fire-detection-tube systems hold fire product certifications 5982022ZY100033 and 5982022ZY100032 from the Tianjin Fire Research Institute of the Ministry of Emergency Management.