What Do Wrought-iron Railings Rust?

1, features a wrought-iron railing (suitable for balcony railings, balcony Rails, walls, etc) surface rust prevention practices according to the following scheme: acid Rust removal, oil removal;

2, galvanized iron surface treatment (galvanizing as a whole), thickness ≥ 6Oum;

3, indoor wrought iron railings (for stair Rails, window parapets);

4, cast iron cold galvanizing surface treatment.