Well, it seems that there was some travel to the Hyatt Regency back in 2013. Found at USAspending.gov and filtered by 'China'. (Typically there is embassy paperwork for incoming dignitaries - but I can't search it right now ~ DoS FOIA site isn't loading for me.)

https://www.usaspending.gov/#/search/5f15759f12551b0fb3fa5cd173a387b6