QuZhou Bingcool Refrigerant Manufacture Co.,LTD. near Ningbo / Shanghai Port, which specializing in research, manufacture and trade of refrigerant, including R134a. R410A. R407C. R417A. R404A. R507. R23. R508A. R508B. R152a. R22. R123. R124. R141b.R 142b. R402A. R402B. R408A. R409A. R11. R12. R13. R502. R503. R290. R600a. R1270 in several kinds of ...