Product Description Permanent Magnet Frequency Conversion Screw Air Compressor :Ā Ā Ā Ā Ā Ā Ā 1.Permanent magnet motor and the compressor airend shaft integrally embedded using direct structure, more compact, the transmission efficiency of 100%Ā Ā Ā Ā Ā Ā Ā 2.No Motor Bearing:...