Motoyama Seisakusho Co., Ltd.

Motoyama Seisakusho Co., Ltd. is a Japanese valve manufacturer founded in 1924, which completed the first domestically produced metal bellows in Japan and has since dedicated itself exclusively to fluid control. The company develops and supplies control valves, safety valves and various other valves based on more than 90 years of accumulated know-how and advanced production equipment.

MOTOYAMA products are used in control valve and safety valve duties at petroleum complexes and other plants, with sales and production bases throughout Japan and exports to more than 90 countries. The company also provides maintenance services, technical information such as pressure, temperature and flow unit conversion tools, and holds numerous licenses supporting demanding industrial applications.