Koatsu Gas Kogyo Co., Ltd., together with its subsidiaries, engages in the gas and chemical products businesses in Japan. It provides dissolved acetylene gas for welding, cutting, heating, removing glass and copper wire from molds, pharmaceutical synthesis, and carbon raw materials applications; laser gas and mixed gas for various applications, such as laser processing, welding, sterilization, biotechnology, and food products; separated gas used analytical instruments for measuring the concentration of various air pollutants, automobile exhaust gas and flue gas, and calibration of gas detectors; LP gas/LNG for cutting/heating and fuel applications; agricultural carbon dioxide; gas cylinders; and safety systems. The company also offers chemical products, such as adhesives, PEGAR, a synthetic resin emulsion, and CYANON, an adhesive made from a cyanoacrylate monomer. Further, it offers RF tag related devices and their application systems, which used for railway equipment management and recognition of production lines; GNSS receiver modules; and LSI card and reader writers. Koatsu Gas Kogyo Co., Ltd. was incorporated in 1943 and is headquartered in Osaka, Japan.