The fourth round of trade talks between China and the United States is being held in Madrid, the first time such negotiations have taken place in Europe. Chinese Vice Premier He Lifeng led the delegation in Spain for talks with U.S. officials from September 14 to 17. The discussions cover key issues including U.S. unilateral tariffs, export controls and the future of TikTok, as well as potential cooperation in terms of combating money laundering, with TikTok emerging as a central sticking point.