Miyairi Valve Mfg. Co., Ltd. engages in the manufacture and sale of valves and equipment for controlling energy gas such as liquefied petroleum gas and liquefied natural gas. Its products include brass valve, steel valve, gate valves, ball valves, check valves, safety valves, LP gas cylinder, globe, coupling, level indicators, strainers, and others. The company was founded by Satoshi Miyairi on April 8, 1949 and is headquartered in Tokyo, Japan.