Bi-direction barrier gate: 1. high intensive 2. CE certificate 3. heavy duty Bi-direction barrier gate, barrier, barrier gate, parking cone, bollard, Parking barrier gate:Function & Features1.Advanced manual release2.Boom can rise and fall on left/right sides by setting on the same machine3.No need to change the balance spring when changing the booms shorter than 6 meters4.Adopt the 3rd ...
