... , Hydraulic suction arm, Separation unloading device, Roots blower (Vacuum pump), Electric control system, and so on. It can deliver ... separation unloading device, roots blower or vacuum pump), Positive press pneumatic conveying machine (pressure pump, combination pump, Air compressor) and Electric control ... have some series:20, 50, 100, 150, 200, 300,400,500 t/h.The Stretching length of the suction ...