Koike Sanso Kogyo Co.,Ltd. develops, manufactures, and sells various types of gases, welding and cutting machines and systems, and related products to industries that process steel plates, aluminum, and stainless steel in Japan and internationally. The company's Cutting and Welding Equipment division manufactures and sells cutting devices, including handheld torches, portable automatic machines, and NC cutting machines; welding equipment for automating assembly sites; and welding jigs. This division also develops software, such as automatic programming devices for NC data; CAD systems for building equipment; and CNC control devices. Its Gas and Gas-Related Equipment division manufactures and sells various types of gases for industry, medicine, daily life, etc.; gas collectors and piping systems for gaseous gases; cryogenic containers and storage tanks for liquefied gases; cylinder boxes for clean rooms; combustion-type exhaust gas treatment equipment; analyzers; and gas supply systems. The company's Welding Material Product division offers welding wires and rods, welding machines, gas fittings, and environmental equipment. It serves various industries, including shipbuilding, steel frames, bridges, architecture, construction, and industrial machinery, as well as consumer goods manufacturers, such as automobiles and electrical appliances; and semiconductors, food, and leisure. The company was founded in 1918 and is based in Tokyo, Japan.