1, purity: 99.9%,resonable price 2, customer log is ok 3. refrigerant gas R134a 4. kinds of packings 5. certifications:SGS 1,1,1,2-tetrafluoroethane(R134a),is used as refrigerant in automobile air-conditioning,household and commerrcial refrigant applicationgs. It can aslo be used as aerosol,flame retardan,and blowing agent in pharmaceutical,argo-chemical,cosmestics and cleaning sectors.Packing: ...