Sec Form 3 Filing - Zhu Yue @ Lianhe Sowell International Group Ltd - 2026-03-18

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Zhu Yue 2. Issuer Name and Ticker or Trading Symbol Lianhe Sowell International Group Ltd [ LHSW] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Executive Officer (Last) (First) (Middle) C/O/ 15TH FLOOR, SANNUO SMART BUILDING, NO. 3388 BINHAI AVE, NANSHAN DISTRICT 3. Date of Earliest Transaction (MM/DD/YY) 03/18/2026 (Street) SHENZHEN518000 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Ordinary Shares ( 1 ) 15,035,000 I By Lianyue Holding Limited ( 2 ) Class B Ordinary Shares ( 1 ) 400,000 I By Lianyue Holding Limited ( 2 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Zhu Yue C/O/ 15TH FLOOR, SANNUO SMART BUILDING NO. 3388 BINHAI AVE, NANSHAN DISTRICT SHENZHEN518000 X Chief Executive Officer Signatures /s/ Yue Zhu 03/18/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Class B Ordinary Shares are convertible into Class A Ordinary Shares at holders' option at any time on a one-to-one basis. Class A Ordinary Shares are not convertible into Class B Ordinary Shares under any circumstance. Each Class A Ordinary Share entitles to 1 vote and each Class B Ordinary Share entitles to 100 votes. ( 2 )Lianyue Holding Limited is a limited liability company incorporated under the British Virgin Islands laws and wholly-owned by Yue Zhu, who has the voting and dispositive power with respect to the shares owned by this entity. The address of Lianyue Holding Limited is Sea Meadow House, (P.O. Box 116), Road Town, Tortola, British Virgin Islands. Pursuant to an Acting-in-Concert Confirmation and Undertaking Agreement (the "AIC Agreement") entered into between Patton Holding Group Limited and Lianyue Holding Limited on September 9, 2025, the Patton Holding Group Limited shares the voting power with respect to the Issuer's shares held by Lianyue Holding Limited.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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