Lu 'an, known as the Kingdom of White Goose and the Capital of Down, is one of the four down distribution centers in China. It has pleasant climate and excellent water quality, which breeds high-quality white goose breed Wanxi White Goose. White geese with an average growth cycle of more than 8 months are selected, their feathers are white without peculiar smell, mature down, large down flowers, elastic enough down silk, and an average of 120 down flowers of 0.1 g. They have the characteristics of high fluffy degree and strong warmth retention.