wearing is low with water adjusting device. Concrete Mixer, Batch Mixer, Cement Mixer, Beton Mixer Capacity:75 m3/HAggregate Size :60mm/80 , Aggregate Sorts :3 or 4Aggregate Feeding: beltConcrete Usage:water conservancy ,electric power, railroad, road, tunnel, the arch of bridge, harbor-wharf and the national defense-project etc..Models: JS500-25m3/H ; JS750-35m3/H; JS1000- 50m3/H ; JS1500- 75m3/ ...