商务部：美方20余天20项对华打压措施，破坏双方经贸会谈氛围

Group 1 - The core viewpoint of the article emphasizes China's strong dissatisfaction and opposition to the recent U.S. trade measures that have severely harmed Chinese interests and disrupted the atmosphere for economic talks between the two countries [1] - The U.S. has implemented 20 measures against China shortly after the Madrid economic talks, which China views as a violation of mutual respect and dialogue [1] - China's willingness to resolve concerns through equal dialogue is highlighted, indicating a desire for constructive engagement despite the tensions [1] Group 2 - The article mentions that prior to the U.S. measures, China had already engaged in bilateral export control dialogue mechanisms [2]