1.corrosion,oxidation,weather and aging-resisting 2.firm welded structure, precise opening 3. ... . It has the good properties of corrosion-resisting ,oxidation-resisting ,weather-resisting and aging-resisting .Specification : 2300 x 2000mm , 2200mm x ... , we can do the specification as per customer's requirement . High quality Temporary Fence(factory,low price)