1. white duck down from the breeding base 2. washed, cleaned and sterilized 3. ... the world market.Usage: as filling materials of down garments, down trousers, down shoes, down quilts, down pillows, down mattresses, down cushions and so on. We are in ... %—95% 4. wahsed white/grey goose down 5%—95% 5. down&feather filled quilts, pillows, cushions, mattress toppers6. quilt covers and pillow cases ...