Corrugated Pipes, Waterstops, Expansion Joints manufacturer / supplier in China, offering Q345 Steel Bridge Finger Expansion Joint Passed ISO9001 Certification, FRP Steel Mesh for Concrete Reinforcement Has Strong Crack Resistance and Is Easy to Construct, FRP Steel Mesh Is Used for Chloride Ion Corrosion Resistance in Chemical Buildings at Seaports and Docks and so on.