1.originated from safe  and non-epizootic area

2. washed with detergent and cleaned with water for 60 minutes.

3.dried and sterilized in a steam-dryer at a steam-temperature of 120 degrees centigrade for at least 30 minutes.

4.dry and clean

5.was taken from the slaughtered animals.

7.best filling materials for pillow,cushion and feather beds etc.

8.standard:used for ,JIS .GB.IDFL.EN