Company: YDDL
Filing Date: 2025-11-17
Form Type: 6-K
Source: 0001213900-25-111549
Chunk: 0

Company: One & one Green Technologies. INC
Filing Date: 2025-11-17
Form: 6-K
Chunk 0
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<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of November 2025

Commission File Number: 001-42898

One and one Green Technologies. INC

(Translation of registrant’s name into English)

1 st Diliman
San Rafael Bulacan, Philippines, 3008

(Address of principal executive office)</div>

Indicate by check mark whether the registrant
files or will file annual reports under cover of Form 20-F or Form 40-F.

<div align='center'>Form 20-F ☒ Form
40-F ☐</div>

One and one Green Technologies. INC, a Cayman Islands company (the
“Company”) is hereby furnishing this report on Form 6-K (the “Report”) to provide the Unaudited Interim Condensed
Consolidated Financial Statements of the Company as of and for the six months ended June 30, 2025 and 2024, included as
Exhibit 99.1 of this Report, and the Management’s Discussion and Analysis of Financial Condition and Results of Operations
as of and for the six months ended June 30, 2025 and 2024, included as Exhibit 99.2 of this Report.

<div align='center'>EXHIBIT INDEX</div>

<div align='center'>1

SIGNATURES</div>

Pursuant to the requirements of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

| Date: November 17, 2025 |                                     |                                                          |
|:------------------------|:------------------------------------|:---------------------------------------------------------|
|                         | One and one Green Technologies. INC |                                                          |
|                         | By:                                 | /s/ Caifen Yan                                           |
|                         | Name:                               | Caifen Yan                                               |
|                         | Title:                              | Chief Executive Officer, Chair of the Board and Director |

<div align='center'>2</div>