Automatic Flood Barrier at Guangzhou Metro Yangji Station Entrance A, B, D
The water retaining process of our flood barrier is only with water buoyancy principle to achieve automatic opening and closing by itself, that can cope with sudden rainstorm and flood situation, to achieve 24 hours of intelligent flood control.
No need electricity, No need hydraulics or any others, only Physical principle. And it can be installed without cranes and excavators.
