British kinetrol Co. Ltd. (Kinetrol Limited) was founded in 1958, is a vane type rotary cylinder inventor, specializing in the production of rotary type control equipment of the enterprises, and patented in many countries, more than 30 countries in the world have branch offices and agents products. The company since its inception, has been producing millions of sets of rotary cylinder and its control module, has been widely used in the industrial field, the high reliability of the products by the vast number of users of the trust. The main products are rotating type pneumatic control components and systems, such as the control of rotary type control valve and control valve, control and regulation valve, plug valve, damper, rotating cylinder, a rotary cylinder and a reset spring, a limit switch, solenoid valve, rotating cylinder and the rotating cylinder and the gear driving device, a rotary cylinder and a 180 degree converter, automatic resetting handle, a rotary cylinder and a three position locators, rotating cylinder and AP gas, AP gas signal signal locator locator and I/P controller, the rotating cylinder and EL electrical positioner, EHD type hydraulic driving device, special pneumatic driving device, pneumatic ball valve, pneumatic butterfly valve, rotary buffer and related technical services.