Dongzhan Group has many advanced down and feather manufacture machine. For example washing machine, sorting machine, metal detect machine. In order to ensurance high quality, Dongzhan has established a national level 1 laboratory. The lab can test many standard for example JIS, EN, USA, GB, etc. Our main product arewhite goose down, grey goose down, white duck down, grey duck down, fragrance down. The annual capacity is 4500 tons.