... air conditioning and refrigeration equipment; China for the production of R22 refrigerant, initial installation, as well as ... , avoid the sun and rain.Environmentally friendly refrigerant (freon, refrigerants, refrigerant) common model is divided into: R10, ... alternatives --- MR12, R134a substitute ...... and other models.Refrigerant Freon, Refrigerant, snow species: Mainly used in home air conditioners ...