... ) system, mixing system, electrical systemand auxiliary equipments (such as air compressor, water pump etc.). They are used to transport, feed,store, batch ... , weigh, mix and discharge the concrete raw materials: cement, water, sand, crushed stone,admixture and additive.Main Features: 1. Stability ... )300± 1%400± 1%400± 1%500± 1%800± 1%Water (KG)350± 1%500± 1%500± 1%800± 1%1000 ...