... *1800*6R-134a,R22,R12,etc.Refrigerant cylinders3MPa pressure level for the export-oriented600*1800*8R-134a,R22,R12,Cl2NH3,SO2HF etc4600 ... *2100*8R-134a,R22,R12, Cl2NH3,SO2HF etc3MPa pressure level for the export-oriented800*2100*10R-134a,R22,R12, Cl2NH3,SO2HF etc4800 ... *2240*8R-134a,R22,R12, Cl2NH3,SO2HF etc3MPa pressure level for the export-oriented800*2240*10R-134a,R22,R12, Cl2NH3,SO2HF etc4800 ...