There are many varieties of glass bottles, from small bottles with a capacity of 1ML to large bottles of more than ten liters, from round, square, to special-shaped and handle bottles, from colorless and transparent amber, green, blue, black shading bottles and opaque The number of opalescent glass bottles, etc. are too numerous to mention. As far as the manufacturing process is concerned, glass bottles are generally divided into two categories: molded bottles (using model bottles) and control bottles (using glass control bottles). Molded bottles are divided into two types: large-mouth bottles (bottle mouth diameter above 30mm) and small-mouth bottles. The former is used to hold powder, block, and paste-like objects, and the latter is used to hold liquids. According to the form of the bottle mouth, it is divided into cork bottle mouth, screw bottle mouth, crown cap bottle mouth, rolling bottle mouth frosted bottle mouth, etc. According to the use situation, it is divided into the one-time bottles that are discarded after use once and the recycled bottles that are used in multiple cycles. According to the classification of the contents, it can be divided into wine bottles, beverage bottles, oil bottles, canned bottles, acid bottles, medicine bottles, reagent bottles, infusion bottles, cosmetic bottles, and so on.