Plastic containers are hollow blow-molded containers, which are processed by a hollow molding method. There are open plastic barrels, cans and closed plastic barrels and cans. Open plastic barrels and cans are mainly used to contain solid chemicals, food, medicine, etc.; closed plastic barrels and cans are mainly used to contain liquid substances. It has the characteristics of light weight, not fragile, corrosion resistant, and recyclable. Its maximum volume is 450L, and the maximum weight of cargo is 400kg.