Refrigerant Gas, R134A, R404A manufacturer / supplier in China, offering R409A Refrigerant Gas 99.95% Purity Industrial Grade Hydrocarbon & Derivatives, Df102 PTFE Raw Material Synthetic Powder Polymer, Manufacturer Refrigerant Gas (r22 R134A R410A R404A R407C R507 R422D R417A R600A R290) and so on.