Filed under Green Tech Global Freon-22 (R 22) Market Insights Report 2019 – Jiangsu Meilan Chemical, Honeywell … Published by on April 1, 2019 … Jiangsu Meilan Chemical, Honeywell, Jiangsu Bluestar Green Technology, Yingpeng Chemicals, Zhejiang Juhua Chemical, Chemours (DuPont).