Corrugated Pipes, Waterstops, Expansion Joints manufacturer / supplier in China, offering High-Strength HDPE Geomembrane for Oil Containment Cold-Resistant & Anti-Crack Aaohong Direct Supply, High-Precision Laser-Welded Steel Edge Rubber Waterstop with Micro-Grooved Surface Texture, Ensuring Leak-Proof Sealing for High-Pressure Pipelines and Industri, Composite Steel Edge Rubber Waterstop Combining High-Strength Steel and Silicone Rubber, Anti-Microbial and Anti-Algae, for Water Treatment Plants and Reservoir and so on.