... a source of power, can provide stable oilless air and avoid the oil stain into hunman body . The parts are selecting ... The switch of mute air ocmpressor :Feature of mute air compressor:1.oil free ,low cost No need for air compressor oil , free maintenance, ... 10 years . 5.High quality compressor:The compressed air without oil , which greatly improving cleanness of the air , at the same time , saving ...