1. Glass: Glass is a cup made of glass. Usually the raw material is high borosilicate glass, which is fired at a high temperature of more than 600 degrees. It is a new type of environment-friendly teacup. Glass is divided into double-layer glass and single-layer glass, and the production process is different. Double glazing mainly meets the needs of advertising cup, and the inner layer can be printed with the company's logo, promotional gifts or gifts, which makes the insulation effect more prominent.

2. Structure classification: glass is divided into double-layer glass and single-layer glass, and the manufacturing process is different. Double glazing mainly meets the needs of advertising cup, and the inner layer can print the company's logo for promotional gifts or gifts.

3. Classification of materials and uses: crystal cup, glass office cup, glass mouth cup, cup with tail and cup without tail. The tail cup is not a thermos cup, so the heat preservation time is short. The tailless cup is a thermos cup with long heat preservation time.