Filed under Green Tech Global Freon-22 (R 22) Market Outlook 2020: Chemours (DuPont), Honeywell, Jiangsu Meilan … Published by on March 22, 2020 … Market Outlook 2020: Chemours (DuPont), Honeywell, Jiangsu Meilan Chemical, Zhejiang Juhua Chemical, Jiangsu Bluestar Green Technology.