Metal fencing for 5-7 years of general use, because it will inevitably be rainfall, acid and alkali corrosion, will have some degree of damage. If maintenance can be extend the useful life of the metal fence, can extend the 3-5 year.More rain than the South, it is recommended that two or three months, wiping a, scrub with cotton cloth dipped in water. Preferably sunny, dry more quickly. Wipe dry after spraying a coat of preservative, about half a can.

This can prevent corrosion of metal fence in the rain. General metal mesh fence for road, rail, traffic security marking must be done well to avoid traffic accidents. If a traffic accident occurs, to repair metal fence in a timely manner, so as not to cause more severe damage. Usually the area, as long as the attention to maintenance, the service life of metal fence will increase by half or even more.