In March 2024, the United States International Trade Commission (USITC) issued a questionnaire for a global safeguard investigation into Fine Denier Polyester Staple Fiber products with HS code 5503.20.0025. On February 28, 2024, U.S. polyester staple fiber manufacturers, including Fiber Industries LLC d/b/a Darling Fibers; Nan Ya Plastics Corp, America; and Sun Fiber LLC, submitted…