Set up in 2000, Zhejiang Shuanghuan Plastic Valve Enterprise., Ltd. Is a China supplying water fitting manufacturer and supplying water fittings 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 xxxx products have got SGS Certificate, NSF certificate in USA and Australian certificate. |