... mainly used on the city road ,the highway ,pool ,garden , security of building etc, it is for stopping the crowds, animals ... , chain link mesh fence, expanded metal fence etc .Finish of surface: hot dipped galvanized, electro galvanized, PVC coating ,PVC ... structure, precise opening etc . It has the good properties of corrosion-resisting ,oxidation-resisting ,weather-resisting and aging-resisting . ...