Ningbo Sono Manufacturing Co; Ltd. Found in 1988. Now, it have to be the star in the pneumatic field in China. We always keep the policy â?? Peoples talent first, Innovation, Development, Win-win modeâ?? Adopting the international advanced technique and machine equipment, and we use ISO quality standard to make sure the products we produced are the best. Started the products as following: Air source units, execute components, control components, Punch, fittings, tube. We got the honors as â?? Famous brand of Zhejiang provinceâ?? and so on. Products sold well in Chinese market and the oversea market. Welcome to us, service for you and cooperate with you, Win-win!