Copper Tube, Heat Exchanger, Condensing Unit manufacturer / supplier in China, offering Wholesale R134A and Dme Blend Refrigerant Gas Replacement for R134A Lower Flammability Refrigerant, Fast Frezing 99.9% Purity Air Conditioner Refrigerant R134agas 13.6kg/30lbs, Factory Producing by China Refrigerant Gas R22 30 Lbs for Air Conditioner and so on.