Electric actuator,electric actuators,actuators,electric control valve,control valves,electric control valves,explosion-proof valve,motor operated valve,electrically operated valve,electric valve actuator,electric valves,electric control butterfly valve,el
China bell automatic instrument technology co.,ltd. is an enterprise belong to tianjin university of china.we have forty years production experience in automatic instrument industry.to creat more considerate service and superior products to our customer,we continue to innovative products.we are mainly dedicated to manufacture electric actuator and electric control valve,to meet the rapid development of modern industrial control of the new demand