SPTE Tinplate Plate has the properties of shading, good sealing, and tin reduction. After the container is made, the tin on the tinplate sheet will interact with the residual oxygen in the container during the filling process, reducing the chance of oxidation of food ingredients. Thanks to these properties, tinplate containers can provide a closed system, completely isolated from environmental factors except heat. Therefore, when tinplate is used as a food packaging material, it can prevent food from deteriorating due to light, oxygen, and humidity, and prevent food from deteriorating due to environmental odor due to aroma or pollution, and the food storage stability is good. Compared with other packaging materials, the preservation rate of vitamin C is the highest, and the preservation of nutrients is also the best.