Tin plating solution is a chemical solution used for metal surface treatment, primarily to create a thin and uniform tin plating layer on the metal surface. The application areas of chemical tin plating solution are extensive. In the electronics industry, it is used in the manufacturing of electronic devices, printed circuit boards (PCBs), and other electronic components. In metal products, it finds widespread use in surface treatment. In the automotive manufacturing industry, chemical tin plating solution is used to coat metal surfaces of automotive components.