Company: YDDL
Filing Date: 2025-10-09
Form Type: 424B4
Source: 0001213900-25-097758
Chunk: 4

Company: One & one Green Technologies. INC
Filing Date: 2025-10-09
Form: 424B4
Chunk 4
---
writers, see “Underwriting” beginning on page 92. (3)Excludes fees and expenses payable to the underwriters. (4)Assume that the underwriters do not exercise any portion of their over -allotment option. Our total cash expenses for this Offering (including cash expenses payable to the Underwriters for their out -of -pocketexpenses) is $1,127,900, exclusive of the underwriting discounts and the non -accountableexpense allowance payable to the Underwriters. In addition, we will pay additional items of value in connection with this Offering that are viewed by the Financial Industry Regulatory Authority, or FINRA, as underwriting compensation. These payments will further reduce proceeds available to us before expenses. See “Underwriting.” This Offering is being conducted on a firm commitment basis. The Underwriters are obligated to take and pay for all of the Class A Ordinary Shares if any such Class A Ordinary Shares are taken. We have granted the Underwriters an option for a period of 30 days after the closing of this Offering to purchase up to fifteen percent (15%) of the total number of our Class A Ordinary Shares to be offered by us pursuant to this Offering (excluding Class A Ordinary Shares subject to this option), solely for the purpose of covering over -allotments, at the Offering Price less the underwriting discounts. If the Underwriters exercise the option in full, the total underwriting discounts payable will be $805,000 based on the Offering Price of $5 per Class A Ordinary Share, and the total gross proceeds to us, before underwriting discounts and expenses, will be $11,500,000. If we complete this Offering, net proceeds will be delivered to us on the closing date. See also the section titled “Use of Proceeds” beginning on page 28. The Underwriters expect to deliver the shares to purchasers against payment on October 10 ,2025. Cathay Securities, Inc Prospectus dated October 8 , 2025

TABLE OF CONTENTS

|                                                                                       |     | Page |
| PROSPECTUS SUMMARY                                                                    |     |    1 |
| THE OFFERING                                                                          |     |    9 |
| RISK FACTORS                                                                          |     |   11 |
| SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS                                     |     |   27 |
| USE OF PROCEEDS                                                                       |     |   28 |
| DIVIDEND POLICY                                                                       |     |   29 |
| CAPITALIZATION                                                                        |     |