Exhibit 10.10

THIS NOTE HAS NOT BEEN REGISTERED UNDER THE SECURITJES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). THIS NOTE HAS BEEN ACQUlRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OPINION OF COUNSEL REASONABLY SATISFACTORY IN FORM, SCOPE AND SUBSTANCE TO THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED.

PROMISSORY NOTE

Principal Amount: $383,598.00 Dated as of December 31, 2024

Antiaging Doctor Hangzhou Holding LTD, a China corporation (the “Maker”), promises to pay to the order of Tairan Baohe Insurance Sales Co., Ltd. (the “Payee”) the principal sum of three hundred eighty-three thousand, five hundred ninety-eight dollars ($383,598.00) in lawful money of the United States of America, on the terms and conditions described below. All payments on this Promissory Note (this “Note”) shall be made by check or wire transfer of immediately available funds or as otherwise determined by the Maker to such account as the Payee may from time to time designate by written notice in accordance with the provisions of this Note.

1.	Principal. The principal balance of this Note shall be on [December 31, 2029]. The principal balance may be prepaid at any time.
2.	Interest. No interest shall accrue on the unpaid principal balance of this Note.
3.	Application of Payments. All payments shall be applied first to payment in full of any costs incurred in the collection of any sum due under this Note, including (without limitation) reasonable attorney’s fees, then to the payment in full of any late charges and finally to the reduction of the unpaid principal balance of this Note.
4.	Events of Default. The following shall constitute an event of default (“Event of Default”):

(a)

Failure to Make Required Payments. Failure by Maker to pay the principal of this Note within five (5) business days following the date when due.

(b)

Voluntary Liquidation, Etc. The commencement by Maker of a proceeding relating to its bankruptcy, insolvency, reorganization, rehabilitation or other similar action, or the consent by it to the appointment of, or taking possession by, a receiver, liquidator, assignee, trustee, custodian, sequestrator (or other similar official) for Maker or for any substantial part of its property, or the making by it of any assignment for the benefit of creditors, or the failure of Maker generally to pay its debts as such debts become due, or the taking of corporate action by Maker in furtherance of any of the foregoing.

(c) Involuntary Bankruptcy, Etc. The entry of a decree or order for relief by a court having jurisdiction in the premises in respect of Maker in an involuntary case under any applicable bankruptcy, insolvency or similar law, for the appointing of a receiver, liquidator, assignee, custodian, trustee, sequestrator (or similar official) for Maker or for any substantial part of its property, or ordering the winding-up or liquidation of the affairs of Maker, and the continuance of any such decree or order unstayed and in effect for a period of 60 consecutive days.

5. Remedies.

(a)

Upon the occurrence of an Event of Default specified in Section S(a) hereof, the Payee may, by written notice to Maker, declare this Note to be due immediately and payable, whereupon the unpaid principal amount of this Note, and all other amounts payable hereunder, shall become immediately due and payable without presentment, demand, protest or other notice of any kind, all of which are hereby expressly waived, anything contained herein or in the documents evidencing the same to the contrary notwithstanding.

(b)

Upon the occurrence of an Event of Default specified in Sections S(b), the unpaid principal balance of this Note, and all other sums payable with regard to this Note, shall automatically and immediately become due and payable, in all cases without any action on the part of the Payee.

6.

Waivers. Maker and all endorsers and guarantors of, and sureties for, this Note waive presentment for payment, demand, notice of dishonor, protest, and notice of protest with regard to the Note, all errors, defects and imperfections in any proceedings instituted by the Payee under the terms of this Note, and all benefits that might accrue to Maker by virtue of any present or future laws exempting any property, real or personal, or any part of the proceeds arising from any sale of any such property, from attachment, levy or sale under execution, or providing for any stay of execution, exemption from civil process, or extension of time for payment; and Maker agrees that any real estate that may be levied upon pursuant to a judgment obtained by virtue hereof, on any writ of execution issued hereon, may be sold upon any such writ in whole or in part in any order desired by the Payee.

7.

Unconditional Liability. Maker hereby waives all notices in connection with the delivery, acceptance, performance, default, or enforcement of the payment of this Note, and agrees that its liability shall be unconditional, without regard to the liability of any other patty, and shall not be affected in any manner by any indulgence, extension of time, renewal, waiver or modification granted or consented to by the Payee, and consents to any and all extensions of time, renewals, waivers, or modifications that may be granted by the Payee with respect to the payment or other provisions of this Note, and agrees that additional makers, endorsers, guarantors, or sureties may become parties hereto without notice to Maker or affecting Maker’s liability hereunder.

8. Notices. Any notice called for hereunder shall be deemed properly given if (i) sent by certified mail, return receipt requested, (ii) personally delivered, (iii) dispatched by any form of private or governmental express mail or delivery service providing receipted delivery or (iv) sent by facsimile or (v) to the following addresses or to such other address as either party may designate by notice in accordance with this Section:

If to Maker:

Room I 002, Floor 10, Building 1

Xiaoshankechuang Center, Beigan Street

Xiaoshan District, Hangzhou City, Zhejiang Province

Attn: Barry Wan

lf to Payee:

[Room 1710-1711, Building 2

Zhongxing City, Haiyao Business Center

Northeast Side ofDongyi Ring Road

Yaohai District, Hefei City, Anhui Province]

Attn: Qi Chen

Notice shall be deemed given on the earlier of (i) actual receipt by the receiving patty, (ii) the date shown on a facsimile transmission confirmation, (iii) the date reflected on a signed delivery receipt, or (iv) two (2) Business Days following tender of delivery or dispatch by express mail or delivery service.

9.	Construction. THIS NOTE SHALL BE CONSTRUED AND ENFORCED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK, WITHOUT REGARD TO CONFLICT OF LAW PROVISIONS THEREOF.
I0.	Jurisdiction. The courts of the State of New York have exclusive jurisdiction to settle any dispute arising out of or in connection with this agreement (including a dispute relating to any non-contractual obligations arising out of or in connection with this agreement) and the parties submit to the exclusive jurisdiction of the courts of New York.
11.	Severability. Any provision contained in this Note which is prohibited or unenforceable in any jurisdiction shall, as to such jurisdiction, be ineffective to the extent of such prohibition or unenforceability without invalidating the remaining provisions hereof, and any such prohibition or unenforceability in any jurisdiction shall not invalidate or render unenforceable such provision in any other jurisdiction.
12.	Amendment; Waiver. Any amendment hereto or waiver of any provision hereof may be made with, and only with, the written consent of the Maker and the Payee.
13.	Assignment. No assignment or transfer of this Note or any rights or obligations hereunder may be made by any party hereto (by operation of law or otherwise) without the prior written consent of the other party hereto and any attempted assignment without the required consent shall be void.
14.	Further Assurance. The Maker shall, at its own cost and expense, execute and do (or procure to be executed and done by any other necessary party) all such deeds, documents, acts and things as the Payee may from time to time require as may be necessary to give full effect to this Note.

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IN WITNESS WHEREOF, Maker, intending to be legally bound hereby, has caused this Note to be duly executed on the day and year first above written.

Antiaging Doctor Hangzhou Holding LTD
By:	/s/ Yipeng Qi
Name:	Yipeng Qi
Title:	Duly Authorized Signatory

Accepted and Agreed:
Tairan Baohe Insurance Sales Co., Ltd.
By:	/s/ Qi Chen
Name:	Qi Chen
Title:	Duly Authorized Signatory

[Signature Page to Promissory Note}