Hydrogen Chloride, Hydrogen Sulfide, Carbon Dioxide manufacturer / supplier in China, offering R22 R134A R410A R32A R407c R404A R417A R507 R600A R209 R152A Air Conditioning/Car Air Conditioning Use Refrigerant Gas R134A, High Quality CAS 7783-06-4 Special Gas Industrial Grade 99% 99.9% Purity 47L 800L H2s Gas Hydrogen Sulfide Gas, High Purity 99.9% 99.999% Sulfur Hexafluoride Gas Sf6 Gas and so on.