R507 refrigerant is an environmentally friendly refrigerant and its market demand will shrink in the future.

R502 refrigerant is a medium-temperature and medium-pressure refrigerant, but it is prone to produce ozone-destroying substances such as HCFC and CFC during use. R507 refrigerant is a substitute for R502 refrigerant and refers to a mixed refrigerant produced with 50% R125 refrigerant and 50% R143a refrigerant as raw materials. R507 refrigerant has the advantages of…