... a world brand name .INTRODUCE OF THE GALVANIZED STEEL GRATING :1.technology : Steel plate by the grid load on certain flat ... demand from the finished product. 2.material : mild steel , low carbon steel or atainless steel3.structure: the grid pressure firmly welded ... as platforms, corridors, bridge, ditch cover, covers, ladders, fences, rails, and so on .7.pictures :8. contact information : floor ...