ROPO, well-known professional manufacturer of pneumatic actuators and pneumatic/electric control valves, was developped in Nordrhein-Westfalen Dusseldorf, Germany firstly , and setup its division factory in China .Engaging in the actuator, control valves research and development for more than dozens of years, ROPO is one of the pioneers in the field of flow control valves around the world.ROPOs Main products are pneumatic actuators, electric actuators, ball valves, butterfly valves, electric / pneumatic (single-seated, double-seater, three-way, sleeve) control valves, electric / gas, such as valve positioner, limit switch and so on.our products pass through international confirmation such as CE .etc, exported to North America , Europe , middle east .etc
