“随着我们推进具有挑战性的北朝鲜去核化议题，中国将扮演重要角色。我想确保向他们解释总统和金正恩委员长的对话，确保他们明白我们从他们那儿需要什么，目前这个阶段是继续确保正在实施的经济制裁仍要保持……我对他抽出时间会见美国国务卿表示感谢。”2018年6月22日，蓬佩奥国务卿就6月14日与习主席见面接受美国微软全国广播公司休·休伊特的采访。

https://www.state.gov/secretary/remarks/2018/06/283452.htm

“China will have an important role to play as we work our way through the challenging issue of denuclearizing North Korea, and I wanted to make sure and explain to them the conversations that the President had had with Chairman Kim, to make sure they understood what it was we needed from them, which at this point is to continue to make sure that the economic sanctions that are in place remain in place… I appreciated him taking time to meet with the Secretary of State from the United States.” Secretary Pompeo on his meeting June 14 with President Xi, interview with Hugh Hewitt of MSNBC, June 22, 2018