The dosing box is a type of plastic barrel produced by the rolling molding process. It has a flat bottomed vertical cylindrical structure, as well as a conical bottom structure and a square structure. The rolling plastic dosing box has excellent mechanical and physical properties in terms of hygiene, toughness, durability, no welds, one-time molding, acid and alkali resistance, collision resistance, high temperature resistance (80 ℃), freezing resistance (-40 ℃), smooth inside and outside, strong earthquake resistance, UV protection, long service life, no moss growth, easy cleaning, easy installation and movement, and has the advantages of safety, convenience, and no need for maintenance. At the same time, the top is equipped with reinforcement ribs for mixing and metering pumps. The dosing bucket is mainly used in water treatment engineering for mixing, dissolving, and storing various chemicals, and then adding the chemical solution to each dosing point through a metering pump or water sprayer. The appearance of the dosing bucket is divided into square and circular shapes, made of polyethylene (PE) material, which is molded in one go through rotational molding technology. The upper part is pre-set with the installation position of the metering pump and mixer. The mixer, dosing bucket, and metering pump are three in one, which is very convenient to use. Reminder: The installation position of the preset metering pump and mixer in the dosing bucket is not universally applicable to all brands and models of metering pumps and mixers. The specific installation needs to be adjusted by the customer according to the actual situation.