Raw bird's nest type B is a raw bird's nest with fewer feathers and fewer impurities, containing only 15-25% of impurities, saving 70% of the time to pick up feathers compared to other types on the market, the bird's nest fibres are large and thick, is the quality raw bird's nest after the raw bird's nest type B.![](//images.sourcevietnam.com/prodimages/3eda1f96-1091-4908-9c1d-4407722f7e7a.png)