Corrugated Pipes, Waterstops, Expansion Joints manufacturer / supplier in China, offering Custom High Quality Blue PVC Water Stopper 150mm 250mm PVC Waterstop Belt for Construction Concrete Joint, Water Stop Flexible Waterproofing PVC Waterstop Construction Building Material for Waterproofing Basement Terrace Roof, High-Temperature Resistant Glass Fiber Geogrid Anti-Rutting Reinforcement for Highway & Bridge Deck and so on.