China has expanded its domestic debt to fund its growth, much of which qualifies as malinvestment, creating financial vulnerabilities its government is anxious to mask.
As I noted in Trade Deal Follies: The U.S. Has Embraced the World's Worst Negotiating Tactics (April 8, 2019), the trade deal was a Nothing-Burger for the U.S. Without any consequences for violating trade deals, China violates all trade deals, starting with the WTO. (As an example, China has never reported its state subsidies to Huawei to the WTO as required by that treaty.)
The only trade deal that wouldn't