During road construction and building construction, asphalt is used, and these materials are generally made through asphalt mixing plants. These institutions can produce a large amount of asphalt, and combined with different application requirements, asphalt mixing methods are also more diverse During the processing, different operation methods such as indirect and continuous can be selected, and the equipment is also classified into various types according to the composition mode, and the user can choose according to the actual application requirements. Before buying a device, many users still hope to have a better understanding of the composition of the device. How many systems does this device consist of?