Waterproof Membrane, Waterproof Materials, Polyurethane Coating manufacturer / supplier in China, offering Canlon Polyester Reinforced PVC Membrane Flat Roof Waterproofing Membrane CE/FM Approved, Canlon PVC Membrane Fleece Backed for Single-Ply Roofing Systems Waterproofing, Canlon PVC Roof Membrane Building Materials for Roof Leakage Waterproofing Homogeneous Membrane and so on.