Set up in 2000, Zhejiang Shuanghuan Plastic Valve Enterprise., Ltd. Is a China pvc cap manufacturer and pvc caps 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 pipe cap, pvc end cap, pvc sewer cap products have got SGS Certificate, NSF certificate in USA and Australian certificate. |