Shanghai Mosafe develops and manufactures engineered and pre-engineered clean-agent extinguishing systems in HFC-227ea and FK-5-1-12, together with the cylinders, discharge hoses and pressure switches that go with them, from a head office in Pudong and a cylinder plant at Gaoyou in Yangzhou. It holds UL Listing file EX26391 under CCN GAQF, Clean-agent Extinguishing System Units, covering both agents at twenty-five and forty-two bar, having become in 2020 the first Chinese manufacturer to achieve UL certification for a gaseous suppression system. It separately holds BSI Kitemark licence KM 577277 to BS EN 3 for portable extinguishers, and publishes design and installation manuals for both UL-Listed systems.