On January 16, 2019, Ambassador Cui Tiankai had an interview with China Global Television Network (CGTN) on China-U.S. Relations and more.
Here are links to the interview:
https://news.cgtn.com/news/3d3d414d7a67444d32457a6333566d54/share_p.html
https://news.cgtn.com/news/3d3d414f3267444d32457a6333566d54/share_p.html