The British invented the first Horse mouth can for food and long-term preservation in 1800, and the tinplate was used in rejinxifa production; Since the 1920s, the can has been greatly developed in the United States, and the demand is increasing, 1847 invented the tinmaking machine, and gradually replaced the manual tinmaking. In 1900, the invention of electric welding machine made the efficiency of tinplate was greatly improved, and because of the expensive tin price, after people gradually use tin plating method to produce tinplate; After the 1990s, the tinmaking technology has been rapid development, high-speed welding machine can reach 1000 cans / minute production level. From the middle of the 20th century, the galvanized steel plate appeared to replace the use of some tinplate products.