R290 refrigerant is good replacement for R22 and R502, it is environment-friendly refrigerant widely applied to various refrigeration equipments such as air-conditioners, heat pumps, compressors, refrigeration plants.
Besides R290, we also supply R600 R600a R1270 hydrocarbon refrigerants which are of high purity and trustwothy quality.
Please feel free to contact me for more infomation.