Since its establishment in 2014, we,Qingdao Dongmenzi Intelligent Technology Co., Ltd is trying our best in research and development under the vision of "drive development through technology, return to the society through creativity", The main products include Air balancers, Pneumatic Angle Seat Valve, Electromagnetic Valve. According to the national & international advanced standards, we specially design and produce air balancers, electromagnetic valve and related components as well.In addition, as the province owned institution, the company are performing the important research and development, which broadly deals with oil, chemical engineering, coal mining, textile, machine manufacturing, domestic electric appliances and automobile product lines, etc. Under the mission of "In order to sincerely provide the most competitive products to the customers, to systematically deal with the problems, to constantly produce customer&＃39;s values?, the company promise to keep the principles as we always have been, produce the best quality products, provide the best services to customers.