On January 15, 2020, the United States and China signed the “Economic and Trade Agreement,” commonly referred to by the parties as the Phase One agreement. US President Donald Trump and Chinese Vice Premier Liu He signed the text in Washington, and the Vice Premier read aloud a congratulatory letter from Chinese President Xi Jinping. President Trump said at the signing ceremony that the United States and China would commence talks on a Phase Two agreement shortly, adding that the second phase would likely be the final phase.
The text of the Phase One agreement can be found here.
In addition, the US Trade Representative has released a number of fact sheets covering various aspects of the Phase One agreement. They can be found here.