Corrugated Pipes, Waterstops, Expansion Joints manufacturer / supplier in China, offering GB Certified Rubber Waterstop Waterproof & Anti-Seepage Easy Installation, High & Low Temperature Resistant Rubber Waterstop for Hydraulic Engineering - Seismic & Pressure-Resistant, Bridge Expansion Joint Special Rubber Waterstop - High Elastic Waterproof Sealing Belt (Custom Sizes) and so on.