Guanghan is located in the hinterland of the Chengdu Plain, with rivers such as the Nanjiang River and Shiting River flowing through the area. The interweaving of rivers and canals forms a network, providing not only a vast water area for white ducks to move around, but also abundant fish, shrimp, snails, and clams in the water becoming natural bait; The crop by-products produced from fertile soil are high-quality supplementary feed. This area belongs to the subtropical humid climate, with mild climate throughout the year, abundant precipitation, and moderate sunlight, which is conducive to the healthy growth of white ducks and ensures the luster and softness of feathers. In such an environment, Guanghan white duck produces a considerable amount of fluff, with large fluff, light texture, superior elasticity, and strong warmth retention, making it a high-quality raw material for high-end down products