Dingnai Fluid Control Science & Technology Co., Ltd（Zhejiang Dingnai Plastic pipe&valve co., Ltd）is a professional manufacturer and supplier of fluid control products include valve, pump, pipe, and fitting，etc. Our products consist of 2 series: plastic piping and valve series, control valve series. plastic piping and valve series include UPVC, CPVC, PVDF, RPP, PPH pipe, fitting, ball valve, butterfly valve, diaphragm valve, globe valve, check valve, foot valve, sight glass and indicator. Control valve series include single seat, double seat control valve, sleeve control valve, diaphragm control valve, etc.