Company: YDDL
Filing Date: 2025-10-28
Form Type: 6-K
Source: 0001213900-25-103122
Chunk: 1

Company: One & one Green Technologies. INC
Filing Date: 2025-10-28
Form: 6-K
Chunk 1
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 Option is attached as Exhibit 99.1 and incorporated herein by reference.

This report does not constitute an offer to sell,
or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer,
solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of any such state or jurisdiction.

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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: October 28, 2025 | One and one Green Technologies. INC |                                                          |
|:-----------------------|:------------------------------------|:---------------------------------------------------------|
|                        | By:                                 | /s/ Caifen Yan                                           |
|                        | Name:                               | Caifen Yan                                               |
|                        | Title:                              | Chief Executive Officer, Chair of the Board and Director |

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