1 cast iron fence need to clear sand, polishing treatment, and finally sprayed with anti rust paint.
2 cast iron guardrail surface best after pickling.
3 regular cast iron fence outside the dust。 Soft cotton cloth used for dust removal。
4 should pay attention to moisture. In recent years due to acid rain in most areas of our country should be left in the rain raging, iron fence in the dry immediately, although there is a little trouble, but it is very useful. The outer layer of the cast iron fence will not be violated.
5 corrosion protection, try to avoid the appearance of acidic, alkaline chemicals contact cast iron fence.
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