pvc waterproof membrane, pvc leakage-proof material pvc waterproof membraneThe company reformed from No. 1 Jinan Plastic Factory which used Italian technics to producePVC waterproof material at the beginning of 1990. And products is 2. 1m wide and is widelyused in roofing and underground leakaging such as tunnel, dam, pond. . .

pvc waterproof membrane for underground