supply of refrigerant gas for airconditioners / refrigerators r-134atype tetrafluoroethane gas to is;5610 of 1993 or latest should be supplied in 10 kgscapacity company sealed cylender (with cylinder) on and supplier should enclosetest certificate and cylender explossive certificate warranty certificate andpurchase proof from oem should be produced with the materiials. make;floran,mefron,dupoint .