1. steel grating used for trench cover avaliable; 2. anti-skating; 3. galvanized, anticprrossive; 4. nice looking; We are professional manufactuer normal and special-shaped steel grating for platform, pavement, trestle bridge, Pedestrian overpass,steel laddersand treads, trench cover, trash rack, guard railling, goods shelves and others, wildly used in shipbuild plant, boiler factory, oil ...
