KINETROLLIMITED, a British company, was founded in 1958. It is the inventor of the vane rotary cylinder and holds patents in many countries. Since its establishment, KINETROLLIMITED has produced millions of sets of rotary cylinders. and its control modules have been widely used in the industrial field, and its high-reliability products have been trusted by the majority of users. In order to provide Chinese customers with Kennate products and technical services conveniently, thoughtfully and quickly, Kennate Co., Ltd. in the UK established a wholly-owned Chinese branch, Shanghai Kennate Control Equipment Co., Ltd., in Shanghai, China in February 2004. Main business: rotating cylinder, return spring, limit switch box, explosion-proof limit switch box, solenoid valve, P3 positioner, AP positioner, EL positioner, manual mechanism, G3 pneumatic drive device, spring return handle, fire protection device, Spring return to center device, 180-degree conversion mechanism, electro-hydraulic drive device, pneumatic ball valve, pneumatic butterfly valve, buffer (damper), etc.