What are the main producing areas and processing places of feather downes in the world?

The main production areas are concentrated in Asia and Europe. Asia is represented by the world's largest down and  feather   area, China is representative, as well as Japan, South Korea, Vietnam and Taiwan. At present, China is the world's largest producer, exporter and consumer of down and feather products, exports accounted for more than 70% of the international market share; Europe : Hungary, Poland, Germany, France as representative; in addition, North America, Canada and other countries also produced  down and feather