Ka hona, Lefapha la Khoebo la Amerika le ile la etsa qeto ea hore k'hamphani ea Korea e rekisitse thepa ea motheo ka litheko tse ka tlase ho tse tloaelehileng nakong ea tlaleho. Ho phaella moo, Lefapha la Khoebo le fumane hore likarolo tsa Haigang ha lia ka tsa fanoa nakong ea tlaleho.
Lefapha la Khoebo la US le fumane karolelano e behetsoeng ea ho lahla thepa bakeng sa Husteel Co., Ltd. ho 4.07%, bakeng sa Hyundai Steel ho 1.97%, le bakeng sa lik'hamphani tse ling tsa Korea ho 3.21%, ho latela liphetho tsa pele.
Lihloohoana 7306.30.1000, 7306.30.5025, 7306.30.5032, 7306.30.5040, 7306.30.5055, 7306.30.5085 le 7306.30.5090 tsa United States Harmonized Tariff Schedule (HTSUS) li fana ka thepa e amehang.