... , mixing system, electrical system and 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 ... )≥ 3.8≥ 3.8≥ 3.8≥ 3.8≥ 3.8 Concrete Mixing Plant,Concrete Mixer Equipment, Mixer Station