... efficiency 3energy saving blower machine 4high rising pressure pump 5.stable operation, long life 1. Low ... rotor has been processed precisely, and are all in balancing condition, we still adopted the high ... are two lubrication styles: Fat grease (below 0.6kgf/cm2), oil splash grease (0.7-0.9kgf/cm2 ... , can adjust the concentricity, and they are all strong fighting force, low vibration, moreover, and ...