Nakakita Seisakusho. 

Established in Daito, Japan in 1930, Nakakita Seisakusho Co., Ltd. is a key player in the design, manufacturing, and distribution of a wide array of automatic control valves, butterfly valves, and sophisticated remote control systems. Their extensive catalog of control and shut-off valves features self-regulating, auxiliary power-driven, and remotely actuated types, alongside cylinder and safety valves. They also produce pneumatic automatic controllers, pneumatic actuators, and specialized valves for nuclear power applications. The company's butterfly valve range includes manually operated, remote-controlled, and cryogenic variants. Beyond product provision, Nakakita Seisakusho offers installation services for pressure reducing, desuperheating, and other automated control valve equipment. Their system solutions extend to remote valve control for marine cargo and ballast lines, as well as level gauging, and they provide various systems for ship engines, such as fuel oil heating, fresh water cooling, and lubricating oil cooling mechanisms. Additionally, the firm develops automatic control valves tailored for gas turbine power plants. These diverse products are broadly utilized across critical industrial sectors including power generation, steel production, and desalination facilities.