# EDGAR Filing Document

**Accession Number:** 0001793895
**File Stem:** 0000000000-25-009805
**Filing Date:** 2025-9
**Character Count:** 2348
**Document Hash:** 3484375b71dac015a074440a5750ae07
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000000000-25-009805.hdr.sgml**: 20260116

**ACCESSION NUMBER**: 0000000000-25-009805

**CONFORMED SUBMISSION TYPE**: UPLOAD

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20250910

**FILED FOR**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CDT Environmental Technology Investment Holdings Ltd
- **CENTRAL INDEX KEY:** 0001793895
- **STANDARD INDUSTRIAL CLASSIFICATION:** SANITARY SERVICES [4950]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 000000000
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** UPLOAD
- **SEC FILE NUMBER:** 001-42007

**BUSINESS ADDRESS:**
- **STREET 1:** C1, 4TH FLOOR, BUILDING 1,
- **STREET 2:** FINANCIAL BASE, NO.8 KEFA ROAD
- **CITY:** NANSHAN DISTRICT
- **STATE:** F4
- **ZIP:** 518057
- **BUSINESS PHONE:** 86-0755-86667922

**MAIL ADDRESS:**
- **STREET 1:** C1, 4TH FLOOR, BUILDING 1,
- **STREET 2:** FINANCIAL BASE, NO.8 KEFA ROAD
- **CITY:** NANSHAN DISTRICT
- **STATE:** F4
- **ZIP:** 518057

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CDT Enviromental Technology Investment Holdings Ltd
- **DATE OF NAME CHANGE:** 20191113
**PUBLIC REFERENCE ACCESSION NUMBER**: 0001731122-25-000746

## Text-Extract

```

                                                        September 10, 2025

Yunwu Li
Chief Executive Officer
CDT Environmental Technology Investment Holdings Limited
C1, 4th Floor, Building 1, Financial Base, No. 8 Kefa Road
Nanshan District, Shenzhen, China 518057

       Re: CDT Environmental Technology Investment Holdings Limited
           Form 20-F for the Fiscal Year ended December 31, 2024
           Filed May 15, 2025
           File No. 001-42007
Dear Yunwu Li:

       We have completed our review of your filing. We remind you that the
company and
its management are responsible for the accuracy and adequacy of their
disclosures,
notwithstanding any review, comments, action or absence of action by the staff.

                                                        Sincerely,

                                                        Division of Corporation
Finance
                                                        Office of Energy &
Transportation
cc:   Clayton Parker

```

### Attached PDF Documents

**Attachment 1:** `filename1`

_No text found in this document._