... air compressor 2.Original Atlas copco Air End 3.SKF bearing 4.energy saving screw air compressor New design screw compressor ... maitenance cost.The screw air compressor main configures as follows1,Air end :Sweden Atlas Copco2,Bearing:100% ... air compressor oil(imported with original)11,Suction valve Sweden Atlas(imported with original)12,Pressure valve Hoerbiger(Austria company)13,PLC Schneider Electric ...