... , HFC-236fa, HFC-245fa etc. welcome to contact us! R415b, The goods we produces and sales are as follows: R12 ... R409a, R410a, R415b, R502, R507, MR12, MR134a, MR502, HFC-227ea, HFC-236fa, HFC-245fa etc.As a prefesstional refrigerant manufacture, we offer ... us become your speciality and trustful supplier. Waiting your inquiry. R415b R12 substitute R134a replacement R502 replacement, HFC-227ea, HFC-236fa ...