... refrigerants R-12,R-22,R-502 MG series cooling compressor units are composed with the French MT,LT units,high ... ,R-22,R-502.It has high effciency,lower consumption,low noise,good performance and safety.It also has widely usage for ... .647002.437702.129301.93873003.462303.152002.842502.533702.2---- Cooling Compressor Units