Movable Dam, Rubber Dam, Hydraulic Dam manufacturer / supplier in China, offering Hydraulic Elevator Sluice Dam with Fire-Resistant Materials Intelligent Sluice 2025, Hydraulic Elevator Sluice Dam for High-Stability Water Control Intelligent Sluice 2025, Industrial Hydraulic Elevator Sluice Dam for Water Treatment Plants Sluice Dam Intelligent Gate 2015 and so on.