my country’s fourth-generation refrigerants (HFOs refrigerants) market share is expected to increase

Fourth-generation refrigerants generally refer to HFOs refrigerants, which are refrigerants that do not contain Freon and chlorine, have low greenhouse effect, and do not destroy the ozone layer. HFOs refrigerant, also known as hydrofluoroolefin refrigerant, is composed of a mixture of fluorocarbons and perfluorocarbons and is an efficient and environmentally friendly refrigerant. HFOs refrigerant has…