In daily life, we often see various types of tinplate iron boxes such as tea iron boxes, food iron boxes, and medicine iron boxes. Although they all appear to be made of tinplate (tin plated iron) on the surface, the processes used for different purposes are also very different.
1. Tea can is a common type of iron can, with the lid mainly made of shrinking mouth, internal pressure, and external rolling, and the bottom process mainly includes gong bottom and buckle bottom. Internally coated with food grade rust proof oil, externally printed with four-color and spot colors. Mainly used for packaging mid to high end tea leaves such as Longjing, Biluochun, Maofeng, Huangya, etc.
2. The production process of the lid and bottom of the food iron box is not much different from that of the tea iron box. It is required to meet food grade printing requirements and is mainly used for packaging biscuits, candies, chocolates, honey, mooncakes and other foods.
3. Medicine cans are also divided into many types of packaging; Sanqi powder, salvia miltiorrhiza powder, ass hide glue, oral liquid, etc., Sanqi powder and ass hide glue iron boxes use more easy pull covers, with good sealing performance. The packaging is medium to high grade, oral liquid and other iron boxes, most of which use inner roll heaven and earth covers or double-layer covers, and the outside is equipped with portable gift boxes.
4. There are various types of gift and craft iron boxes with diverse shapes, such as open change iron cans, open window toy iron boxes, uniquely shaped Christmas iron boxes, flip up stationery iron boxes, shaped iron boxes, and drawer boxes.