China files WTO shrimp duty challenge against US grahamearnshaw 15 years ago US files WTO complaint over China chicken dutiesDateSeptember 21, 2011In relation toAgricultureUS and EU to file WTO suit against ChinaDateJune 11, 2009In relation toEconomics & TradeChina files WTO complaint on US tariffsDateMay 16, 2016In relation toEconomics & Trade