Okano Valve Mfg.Co.Ltd. produces and sells industrial valve for high pressure and high-temperature service in Japan and internationally. The company's value products include globe, gate, check, safety and relief, screw-down stop check, drain, lining, NAC, control, and 3-way valves, as well as other valve accessories, such as expanded graphite seal rings, safety valve adapters, and nozzle cleaners. It also offers steel castings; and maintenance services comprising valve seat, nut seat face, flange gasket and seal ring contact faces, neck bush, stem bush wear measurement, safety valves, ampere-voltage-diagnostic systems AVD, valve maintenance management support system, and chemical decontamination of valves, as well as operates technical training centers. The company provides its products for thermal and nuclear power plants, and chemical industries, as well as marine, steel manufacturing, textile, and other industrial service applications. Okano Valve Mfg.Co.Ltd. was founded in 1926 and is headquartered in Kitakyushu, Japan.