China Ga37 VSD Ipm 37kw 50HP 58psig 4bar 1.35-6.93m3/Min Variable Speed Drive Atlas Copco Rotary Permanent Magnet Screw Air Compressors, Find details about China Air Compressor, Screw Air Compressor from Ga37 VSD Ipm 37kw 50HP 58psig 4bar 1.35-6.93m3/Min Variable Speed Drive Atlas Copco Rotary Permanent Magnet Screw Air Compressors