Ningbo Pneupid Machinery co.,ltd (Formery:Ningbo Nuopai Automation & Machinery Co., Ltd. (NPPC) was established in 2001. We are a high-tech enterprise professionally in manufacturing pneumatic components. Till now, NPPC company has already developed a combined line with productions--scientific research--sales company who manufacture and export large quantities pneumatic components in China. NPPC mainly produces: solenoid valves, pneumatic cylinders, air source treatments, pneumatic ...