steel passenger foot bridge 1.Steel Bridge 2.Material:Q345qd 3.Environmental Friendly 4.Durable & Beautiful appearance Product NameSteel BridgeMaterialSteel Plate, Hot Rolled Steel Section, Stainless Steel etc.Hot dip GalvanizingGB/T13912-2002Advantagea. Light weight of the steel itselfb. Higher space efficiency, high quality, low cost, easy to assemble and dismantlec. Prefabricated and ...