Made by the world’s leading high-technology companies which have over 50 years experience. The low fault rate and low maintenance cost airends are manufactured by advanced machining equipments to ensure the production tolerance being controlled within micron. Latest patent optimized profile is Teflon-coated 5-lobe and 6-flute with high efficient. High quality brand bearing, alloy steel gear case and rotor case make the operation more stable and reliable. Besides, the special triple oil seal allows much less leakage possibility.