CDT Environmental Technology Investment Holdings Limited

C1, 4th Floor, Building 1, Financial Base, No. 8 Kefa Road 

Nanshan District, Shenzhen, China 518057

March 27, 2024

VIA EDGAR

U.S. Securities and Exchange Commission

Division of Corporation Finance

100 F Street, N.E.

Washington, D.C. 20549

Ladies and Gentlemen:

In connection with the above-referenced Registration Statement, and pursuant to Rule 461 of the General Rules and Regulations of the Securities and Exchange Commission under the Securities Act of 1933, as amended (the “Securities Act”), CDT Environmental Technology Investment Holdings Limited hereby requests acceleration of effectiveness of the above-referenced Registration Statement so that it will be declared effective at 5:00 p.m., Eastern Time, on March 29, 2024, or as soon as practicable thereafter.

Very truly yours,