The photo of the ship at your link is not the Empress of China.

A few photos of her are at:  https://www.lifeofguangzhou.com/wap/knowGZ/content.do?contextId=12639&frontParentCatalogId=175

https://www.luxuo.com/cars/yachting/empress-china-1784-usa-china-trade.html

https://thechinaproject.com/2023/02/22/the-empress-of-china-and-the-beginning-of-u-s-china-trade/

https://www.nyhistory.org/blogs/free-of-an-empire-by-way-of-an-empress

The Empress of China was loaded along the docks of the EAST RIVER and departed for Canton on 22 Feb 1874 and returned 11 May 1785 to the same East River wharf.