... our own experience 2.ISO9001&ISO14001 WBSY300 self-loading mixing plantThe machine mainly used in construction of high- ... supply system ingredients: aggregate storage ,discharge conveyor.2.Powder supply system: powder storage ,screw conveyor ,φ219 spiral feeding.3.Water ... ,flow meters ,the executing agency ,valves ,sprinkler.4.Mixing equipment :motor reducer ,twin-shaft mixer.5.Material storage ...