It is suitable for the initial coating of steel structures such as bridges (including ancillary structures) of railway steel bridges, as well as the re-coating of steel bridges after the deterioration of the coating film and maintenance coating.

The coatings and coating technologies used in high-speed trains and subway systems belong to the categories with higher technical thresholds in industrial coatings. Most train carriages are manufactured using lightweight aluminum alloy materials. The coating process is categorized into new construction and factory repair, and the coated areas typically include the exterior surface, interior surface, underbody, bogies, and other components.