We are the manufacturer of refrigerant, locad in shanghai.Our product have a high purity. Welcome you visit our factory. Application:R404A is a kind of refrigerant of surrounding-protection model, mixed by HFC125, HFC134a and HFC134. It has a good nature of cleaning, low poison, non-combustible, good-refrigeration and so on, used in replacing R22&r502 and in refrigerating systems of low & ...