Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the use of our report dated March 28, 2022, with respect to the consolidated financial statements of CASI Pharmaceuticals, Inc., incorporated herein by reference and to the reference to our firm under the heading “Experts” in the proxy statement/prospectus.

/s/ KPMG Huazhen LLP

Beijing, China 

January 31, 2023