There are a wide variety of glass bottles, from small bottles of 1ML to large bottles of dozens of liters, from round, square, to shape and handle bottles, from clear, amber, green, blue, black shaded bottles and opaque The opaque glass bottles, etc., are too numerous to mention. In terms of the manufacturing process, glass bottles are generally divided into two types: molded bottles (using model bottles) and control bottles (with glass bottles). Molded bottles are divided into two types: large-mouth bottles (both mouth diameters above 30MM) and small-mouth bottles. The former is used to hold powder, block and paste items, and the latter is used to hold liquids. According to the bottle mouth form, it is divided into cork bottle mouth, threaded bottle mouth, crown cap bottle mouth, rolling bottle mouth frosted bottle mouth and so on.