Koatsu Gas Kogyo Co., Ltd., together with its subsidiaries, operates in the gas and chemical products businesses in Japan. It supplies dissolved acetylene gas for welding, cutting, heating, and other applications, as well as laser gas, mixed gas, separated gas, LP gas/LNG, agricultural carbon dioxide, gas cylinders, and safety systems. The company also offers chemical products including adhesives, PEGAR synthetic resin emulsion, and CYANON cyanoacrylate adhesive, along with RF tag devices, GNSS receiver modules, and LSI card and reader-writer systems. Incorporated in 1943, it is headquartered in Osaka, Japan.