Movable Dam, Rubber Dam, Hydraulic Dam manufacturer / supplier in China, offering It Can Block Water Flow in Two Directions and Is Often Used for Flood Control and Drainage or Tidal River Mouth Tide Blocking, a Hydraulic Gate That Can Precisely Adjust The Flow Rate by Adopting an Intelligent Control System (such as PLC+ sensor network), Landscape Gates Such as Flap Gates and Rubber Dams, Combined with Lighting and Water Curtain Systems, Create Urban Waterfront Spaces and so on.