| Pipeline | 
| 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 zinc-rich primer | 2 | 80 | Neutral water | 
| 3 | Intermediate paint | Waterborne epoxy cloud iron intermediate paint | 2 | 100 | 
| 4 | Topcoat | Waterborne acrylic topcoat/waterborne polyurethane topcoat | 2 | 70 | 
| 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. |