Home/American Shipper/U.S. sets dumping duties for Chinese box staples American Shipper U.S. sets dumping duties for Chinese box staples FreightWaves Staff · Monday, March 26, 2018 Facebook Twitter/X LinkedInThe U.S. International Trade Commission is scheduled to make its final decision on this petition for the antidumping duty investigation, filed by North American Steel & Wire/ISM Enterprises of Pennsylvania, by May 7. N/A