ZAKF compressed air full program | workshop · mobile · clean up a network. Screw air compressor : 20-300HP permanent magnet frequency conversion energy saving 30 % Frozen dryer : -40 °C dew point / 0.8 MPa pressure resistance, guarding precision instruments Portable air compressor : 80dB low noise / diesel electric double drive, site rescue on call From factory to field, provide stable drying power →