The world's refrigerant giant is DuPont of the United States. Dupont is ahead of its main competitors in patents, technology and market share of fluorochemicals and fluoropolymers. Solvay Lai Su Company was established after Solvay acquired Osmont, and now it has become an international fluorine chemical giant with sales equivalent to Daikin.
It has irreplaceable advantages in fluororubber and fine chemical products market; The output of new ETFE resin of Asahi Glass and the output of PVDF and HCFC substitutes of Acoma rank first in the world respectively. Enos ranks first in the world in HFC- 134a production, and is the main manufacturer of refrigerant substitutes; Honeywell Fluorine Chemical's main business is the production and sales of hydrogen fluoride, fluorine refrigerants and their substitutes.