Refrigerant Gas, R134A, R22 manufacturer / supplier in China, offering Eco-Friendly R407c Refrigerant R22 Alternative for New & Retrofit Cooling Equipment, Premium R407c Refrigerant Non-Flammable, Low Toxicity for AC, Chiller & Refrigeration Systems, Sp-7890plus Refrigerant Analysis Gas Chromatograph with Fid/Tcd/Ecd Detectors and so on.