Beverage Processing MachineryChina Double Stage Vacuum Pumping Plant with Capacity 30 L/S to 1200 L/S, Equiped Wth Booster Roots Pump and Vacuum Pump, Find details about China Vacuum Pumping Plant, Double Stage Vacuum Pumping Plant from Double Stage Vacuum Pumping Plant with Capacity 30 L/S to 1200 L/S, Equiped Wth Booster Roots Pump and Vacuum Pump