... pneumatic conveying equipments which used for bulk materials XS series bulk materials pneumatic ship unloading machine Bulk suction machine ... (suction nozzle, hydraulic suction arm, separation unloading device, roots blower or vacuum pump), Positive press pneumatic conveying machine (pressure pump, ... on.The capacities of the products have some series:20, 50, 100, 150, 200, 300,400,500 t/h.The ...