PVC Waterproof Membrane, EPDM Waterproof Membrane, Bitumen Waterproof Membrane manufacturer / supplier in China, offering Excellent Quality 1.2mm-2.0mm EPDM Waterproof Rubber Sheet Waterproof Membrane, ISO EPDM Waterproof Rubber Sheet Waterproof Membrane for Building Basement, Durable EPDM Waterproof Rubber Sheet Waterproof Membrane for Tunnel Basement and so on.