1.originated from safe and non-epizootic area.

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

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

4.was dry and clean.

5.was taken from the slaughtered animals.

6.the length are various for your choice.

7.best filling materials for pillows,cushions,mattresses,etc.

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