... Belt and hopper converyor 4,CE,ISO Zhengzhou Dayu YHZS Series Used Mobile Concrete Batching PlantsDescription of used mobile concrete ... emergency repair of airport runways, terminals, roads, bridges and other generous amount of concrete work. The equipment is a mixing ... , batching system, metering system, cement silo, screw conveyor and other needed mix equipment , co-installed in the chassis of a ...