The entire series of CMN oil free compressor in china are certified by German TUV Rheinland for oil-free, in cordinate with level of Class 0. Unlike traditional dry type oil air compressor free that rely on seals to prevent oil from coming into contact with air, CMN oil free industrial air compressors do not contain any lubricating oil in the entire machine, ensuring a lifetime supply of pure oil free compressed air. CMN, as a oil free compressor suppliers, the compressor adopts permanant magnet variable frequency motor to ensure high efficiency.

For more information about difference between oil free and oil compressor and a screw compressor, please feel free to contact us!