Junli Automatic Flood Barrier

nanjing junli technology co., ltd. was founded in 2013 in nanjing china. automatic flood barrier is its featured innovaton flood protection product which can retaining water automatically without power or labour cost. the automatic water retaining device is widely used at the entrance and exit of underground buildings (including civil air defense works, underground garage, subway station, underground shopping mall, cross street passage and underground pipe gallery, etc.) and low-lying buildings or areas on the ground, so as to prevent flood.