Permanent magnet variable frequency portable oil-free air compressor ◆ servo motor Sufficient power, longer motor life, more energy saving ◆ intelligent controller Automatic and random adjustment of pressure and automatic adjustment of motor speed ◆ oil free environmental protection Free oil-water separation filter, deep filtration of impurities, cleaner air, no need of lubricating oil, no trouble of refueling and maintenance ◆ Long life Longer service life of imported bearings, imported spare parts, German peep high wear-resistant sealing materials and Swedish valve discs ◆ super energy saving The motor meets the national first level energy efficiency standard, which is 30% higher than that of ordinary motor ◆ low noise Upgrade noise reduction, external muffler, noise as low as 59 DB ◆Low temperature rise The temperature of the main phase is as low as 60K, and it can operate continuously for 24 hours without shutdown