1. Adopting twin forced horizontal shafts stirrer 2. The aggregate is measured alone or accumulated by the electronic scale. 3. Water and the additive are measured accurately under the centralized control ofthe computer. 4. The whole machine adopts PC to control, which is easy to operate and debug. 5. Two models for feeding aggregate: one by bucket elevator, the other by belt transfer. 6. The main electric elements are the devices of Schneider in France; the programmablecontroller is the product of Siemens. use the containers. the two kind of containers: 20feet and 40 HQ.