we, shandong dongyue chemical co., ltd is the largest manufacturer of R-22, r-23, r-32, r-142b, r-152a, r-404, r-407c, r-410a, r-415b ,r-418a, POLYTETRAFLUOROETHYLENE(PTFE) SM031, SM021, DE241 and all kinds of fluorine salt.
Contact Person : ren chengkun Job Title : Business Manager Telephone : Fax Number : Address : huantai Zibo, Shandong Fax : 86 - 533 - 8220509 Website : Visit website