Set up in 2000, Zhejiang Shuanghuan Plastic Valve Enterprise., Ltd. Is a China foot valve manufacturer and foot valves supplier. We have Tensile Testing Machine, Vion Softening Temperature Apparatus, PHI Testing Machine, Speeding Thicker Apparatus, Compact Testing Machine, Low Temperature Refrigeratory, Fluids Mensurate Apparatus, Resistance to internal pressure of Testing Machinefor plastic pipes and fittings. our pump foot valve, well foot valve, air foot valve, water foot valve, foot check valve, pump foot valve, well foot valve, air foot valve, water foot valve, foot check valve products have got SGS Certificate, NSF certificate in USA and Australian certificate. |