| Subway |
| Serial number | Painting procedure | Paint name | No. of painting | Average film thickness um/channel (dry film) | Thinner |
| 1 | Surface treatment | Sandblasting |
| 2 | Primer | Waterborne epoxy primer | 1 | 60 | Neutral water |
| 3 | Intermediate paint | Waterborne polyurethane intermediate paint | 1 | 40 |
| 4 | Topcoat | Waterborne polyurethane topcoat | 1 | 40 |
| Description: | 1、If the local rust is serious, it must be polished and pretreated with rust repair paint, and then the above supporting system. |
| 2、Acid-resistant topcoat is available in areas with acid mist. |
| 3、According to the environmental conditions in each region, negotiate with Party A to resolve. |