Set up in 2000, Zhejiang Shuanghuan Plastic Valve Enterprise., Ltd. Is a China pvc valve manufacturer and pvc 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 pvc ball valve, pvc check valve, 3 pvc valve, pvc gate valve, 2 pvc valve, 3 way pvc valve, pvc plastic valve, pvc pipe valve, pvc butterfly valve products have got SGS Certificate, NSF certificate in USA and Australian certificate. |