On January 18, 2017, the United States International Trade Commission (USITC) voted to make the third anti-dumping rapid sunset review of polyester staple fiber (Polyester Staple Fiber) imported from Taiwan and South Korea. Anti-dumping duties, within a reasonably foreseeable period, the substantial damage caused by the import of the products involved to the US domestic industry may continue or reoccur. Therefore, the existing anti-dumping order in this case remains in effect. In this ruling, all six members of the US International Trade Commission voted in the affirmative. The U.S. coordinated tariff numbers of the products involved are 5503.20.00.45 and 5503.20.00.65.
On April 29, 1999, the U.S. Department of Commerce issued an announcement to launch an anti-dumping investigation into polyester staple fiber imported from Taiwan and South Korea. On November 8, 1999, the U.S. Department of Commerce made a preliminary anti-dumping ruling and a negative final emergency ruling on polyester staple fiber imported from Taiwan. On March 30, 2000, the U.S. Department of Commerce made a positive final anti-dumping ruling on polyester staple fiber imported from Taiwan, and later revised the final ruling on April 27. On August 1, 2016, the U.S. Department of Commerce issued an announcement to launch the third anti-dumping sunset review investigation into the products imported from Taiwan and South Korea. On November 4, 2016, the U.S. International Trade Commission voted that this case was suitable for the industrial injury expedited sunset review process. On December 20, 2016, the U.S. Department of Commerce issued an announcement to make an affirmative final ruling on the anti-dumping rapid sunset review of the products involved imported from Taiwan and South Korea.