The material quality for the nylon down or the viscose down, forms the design using the static electricity adsorption agglutination pronciple. May be utilize alone, may be also unify other to pyrograph production  variety to utilize together. The characteristic for down length may choose, and the comfortable feel has the obvious stereoscopic effect. Widespread application on sports attire, woolen sweater, fashionable clothing, children's clthing, knitting lining.