As the third generation refrigerant

R32 refrigerant, also known as difluoromethane refrigerant and refrigerant, belongs to the third generation refrigerant. Compared with R410A refrigerant, R32 refrigerant has the advantages of low GWP value, high refrigeration efficiency, low temperature rise, good energy saving effect, high safety, wide temperature control range, etc., and is widely used in commercial air conditioners, household air…