... walkway. It can be used for ceiling, interior decoration, decoration, platform aisle, ventilation windows, (Wells), advertising plaque and other construction. ... , Parking lots, Cement plants, Oil refinery, Mining and refinery, Power plants, Public utility, Marine engineering, Shipbuilding, Construction material industry, ... 50G505/60/50G555/60/50G605/60/50 Flooring and Platform Steel Grating Panel