Field sun yeh factory start production in 1986 in Taiwan, specialize in producing a quarter turn (back to the transformation of electric actuator), spring return (single acting electric actuator) and linear type electric drive, field electric actuators is one of the main features is a clutch, is without a power outage can be manually operation, has won many patents. Field of electric drives are built on the high quality level, and obtained ISO9001, CE, CSA (outside using standard), RoHS certification, "perfect is the only thing we have to adhere to the" mountains are always uphold the quality goal. Field electric actuators have many valve manufacturers specify necessary cooperation manufacturers both at home and abroad, to better serve the broad masses of customers, from shandong qingdao branch was established in 2008, we have experienced, cast a firm supply team to provide you with perfect and rapid service. Italian air torque (ATS), founded in 1990, is europe's largest producer of specialized is engaged in the pneumatic valve actuator. Is the world largest manufacturers specializing in the production of pneumatic valve actuator, producing the highest quantity is 300000 units. Its production of pneumatic actuators with complete specifications, performance, good quality and faster innovation characteristic, in the world have high visibility and good evaluation, become a famous ball valve butterfly valve manufacturer of choice for products. For better serves the masses of customers, authorized agents for the level of automation engineering Co., Ltd.

Qingdao mountains is also a motor from Taiwan in western Japan seibu - wonder how back to the transformation of the TM series electric actuator level agents. Qingdao field not only provides electric, pneumatic actuator, also acting Taiwan origin high performance butterfly valve and ball valve, provided the machine automatic valves, such as electric, pneumatic ball valves, electric and pneumatic butterfly valve, electric, pneumatic control valve; Electric valves, pneumatic health level; Electric, pneumatic diaphragm valve; Pneumatic angle seat valve; The valve positioner; The valve switch display; Electromagnetic valve; All kinds of metal; PVC valves; Valve control components series of products, etc. Qingdao mountains provide products in line with general international standards, such as ISO, DIN, ASTM, bs, JIS, etc., are widely used in paper making, petroleum, chemical industry, environmental protection, medical, pharmaceutical, metallurgy, food, beverage, power generation, water supply, water treatment, central air conditioning and industrial gases, etc. Qingdao mountains persistent pursuit of "customer is the boss" business philosophy, dedication to provide customers with quality products and perfect after-sales service, sincerely looking for partners to jointly develop automatic valve market, meet customer demand.