Shanghai Zhangnuo Automation Equipment Co., Ltd is specialized in the manufacturing of pneumatic control elements and industrial automation products. The company is fully equipped with manufacturing, processing and testing facilities. Holding an innovative and pragmatic attitude for a long time, it has expanded the market, built the first-class pneumatic brand, and developed jointly with R & D institutes pneumatic elements of high quality and low price. All its products are in stock with the most economical prices, and technical services offered by professionals are available. Our main products include Electropneumatic Transducer (I/P&E/P Transducer ), Low-Friction Dynamic Air Cylinder,Pressure Switch and Air Pressure Regulator. Furthermore, we provide custom processing service