Tinplate(SPTE) is a common name for electroplated tin steel sheets, which refers to cold-rolled low-carbon steel sheets or strips coated with commercial pure tin on both sides. Tin mainly acts to prevent corrosion and rust. It combines the strength and formability of steel with the corrosion resistance, solderability and aesthetic appearance of tin in a material with corrosion resistance, non-toxicity, high strength and good ductility.Tin-plate packaging has a wide range of coverage in the packaging industry because of its good sealing, preservation, light-proof, ruggedness and unique metal decoration charm. Because of its strong antioxidant, diverse styles and exquisite printing, tinplate packaging container is popular with customers, and widely used in food packaging, pharmaceutical packaging, commodity packaging, instrument packaging, industrial packaging and so on.