With advanced technology, mature overhaul process, excellent skill and reliable coating scheme, we can provide all brands dry screw oil-free airend maintenance, including coating redo, replacement of new bearings, oil seal, gas seal and other damaged parts, and adjust the assembly clearance according to the original factory standard. Compared with the original new airend, the efficiency loss of the oil-free airend after refurbishment is no more than 5%, Lifetime extension 3-5 years at least