Corrugated Pipes, Waterstops, Expansion Joints manufacturer / supplier in China, offering Aquascape Rain Water Storage Tank Shrimp Liner 1mm HDPE Geomembrane for Agricultural Pits Pond Canvas Tank, Reinforced Corrugated Steel Pipes for Tunnel Bridges and Culverts, Commonly Used Steel Corrugated Culvert Pipes for Highway Drainage and Farmland Irrigation, Aluminum Zinc Coated Corrugated Steel Culvert Pipe with Metal Coating for Long-Term Anti-Corrosion in Saline Alkali Land and Coastal Areas and so on.