Document:

Exhibit 4.1

 

NUMBER UNITS

U-

 

SEE REVERSE FOR CERTAIN DEFINITIONS

 

CUSIP G2121E 102

 

YUNHONG INTERNATIONAL 

 

UNITS CONSISTING OF ONE SHARE OF CLASS A
ORDINARY SHARE, ONE-HALF OF ONE

 REDEEMABLE WARRANT AND ONE RIGHT

 

THIS CERTIFIES THAT                    is
the owner of                    Units.

 

Each Unit (“Unit”)
consists of one (1) Class A ordinary share, par value $0.001 per share (“Ordinary Share”), of Yunhong
International, a Cayman Islands exempted company (the “Company”), one-half (1/2) of one redeemable
warrant (each whole warrant, a “Warrant”) and one (1) right (“Right”). Each
whole Warrant entitles the holder to purchase one (1) Ordinary Share (subject to adjustment) for $11.50 per share (subject
to adjustment). Only whole warrants are exercisable. Each Right entitles the holder to receive one-tenth (1/10) of one Ordinary
Share. Each Warrant will become exercisable on the later of (i) thirty (30) days after the Company’s completion of
a merger, capital stock exchange, asset acquisition, stock purchase, reorganization or other similar business combination with
one or more businesses (each a “Business Combination”), and (ii) twelve (12) months from the
effective date of the registration statement on Form S-1, File No. 333-232432, and will expire unless exercised before 5:00 p.m.,
New York City Time, on the date that is five (5) years after the date on which the Company completes its initial Business Combination,
or earlier upon redemption or liquidation. The Ordinary Shares, Warrants and Rights comprising the Units represented by this
certificate are not transferable separately prior to [ ], 2020, unless Maxim Group LLC elects to allow earlier separate trading,
subject to the Company’s filing of a Current Report on Form 8-K with the Securities and Exchange Commission
containing an audited balance sheet reflecting the Company’s receipt of the gross proceeds of the offering and issuing of
a press release announcing when separate trading will begin. The terms of the Warrants and Rights are governed by a Warrant
Agreement dated as of                 , 2019,
and a Rights Agreement dated as of                 ,
2019, between the Company and American Stock Transfer & Trust Company, LLC, as Warrant Agent and Right Agent, respectively,
and are subject to the terms and provisions contained therein, all of which terms and provisions the holder of this certificate
consents to by acceptance hereof. Copies of the Warrant Agreement and the Rights Agreement are on file at the office of the
Warrant Agent and Right Agent at 6201 15th Avenue, Brooklyn, New York 11219, and are available to any Warrant holder and Right
holder on written request and without cost.

 

This certificate is not valid unless countersigned
by the Transfer Agent and Registrar of the Company.

 

This certificate shall be governed by
and construed in accordance with the internal laws of the State of New York.

 

Witness the facsimile signature of its
duly authorized officers.

 

	 	 	 
	Secretary	 	Chief Executive Officer

 

Yunhong International

 

The Company will furnish without charge
to each unitholder who so requests, a statement of the powers, designations, preferences and relative, participating, optional
or other special rights of each class of shares or series thereof of the Company and the qualifications, limitations, or restrictions
of such preferences and/or rights.

 

    

     

    

 

The following abbreviations, when used
in the inscription on the face of this certificate, shall be construed as though they were written out in full according to applicable
laws or regulations:

 

	TEN COM	—	as tenants in common	UNIF GIFT MIN ACT	—	 	Custodian	 
	 	 	 	 	 	(Cust)	 	(Minor)
	TEN ENT	—	as tenants by the entireties	 	 	 	 	 
	 	 	 	 	 	Under Uniform Gifts to Minors 

                                                              

	 	 	 	 	 	 
	JT TEN	—	as joint tenants with right of survivorship and not as tenants in common	 	 	Act                                  

                                            (State)

 

 

Additional abbreviations
may also be used though not in the above list.

 

Additional abbreviations may also be used
though not in the above list.

 

For value received,                 
hereby sell, assign and transfer unto

 

PLEASE INSERT SOCIAL SECURITY OR

OTHER

IDENTIFYING NUMBER OF ASSIGNEE

	 
	
        (PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS,
        INCLUDING ZIP CODE, OF ASSIGNEE)

         

	
        

	 

	 	 	 

 

                       
                  Units represented
by the within Certificate, and do hereby irrevocably constitute and appoint

 

                                                                   Attorney
to transfer the said Units on the books of the within named Company with full power of substitution in the premises.

 

Dated                     

 

Notice:   The signature to this assignment must correspond with the name as written upon the face of the certificate in every particular, without alteration or enlargement or any change whatever.

 

    

     

    

 

Signature(s) Guaranteed:

	 	 
	THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE

 GUARANTOR INSTITUTION (BANKS, STOCKBROKERS,

 SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS

 WITH MEMBERSHIP IN AN APPROVED SIGNATURE

 GUARANTEE MEDALLION PROGRAM, PURSUANT	 

 

TO S.E.C. RULE 17Ad-15 (OR ANY SUCCESSOR RULE UNDER
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED).

 

In each case, as more fully described
in the Company’s final prospectus dated                ,
2020, the holder(s) of this certificate shall be entitled to receive a pro-rata portion of certain funds held in
the trust account established in connection with the Company’s initial public offering only in the event that (i) the
Company redeems the Ordinary Shares sold in its initial public offering and liquidates because it does not consummate an initial
business combination by                , 2021,
(ii) the Company redeems Ordinary Shares sold in its initial public offering in connection with a shareholder vote to amend
the Company’s amended and restated memoramdum and articles of association to modify the substance or timing of the Company’s
obligation to redeem 100% of the Ordinary Share if it does not consummate an initial business combination by                ,
2021, or (iii) if the holder(s) seek(s) to redeem for cash his, her or its respective Ordinary Shares in connection
with a tender offer (or proxy solicitation, solely in the event the Company seeks shareholder approval of the proposed initial
business combination) setting forth the details of a proposed initial business combination. In no other circumstances shall
the holder(s) have any right or interest of any kind in or to the trust account.Exhibit 4.2

 

	NUMBER	NUMBER
	 	C-
	 	SHARES
	 	SEE REVERSE FOR CERTAIN DEFINITIONS
	 	CUSIP G2121E 110

 

YUNHONG INTERNATIONAL

 

INCORPORATED UNDER THE LAWS OF THE CAYMAN
ISLANDS

CLASS A ORDINARY SHARES

 

This Certifies that

 

is the owner of

 

FULLY PAID AND NON-ASSESSABLE CLASS A ORDINARY SHARES
OF THE PAR VALUE OF $0.001 EACH OF

 

YUNHONG INTERNATIONAL 

(THE “COMPANY”)

 

transferable on the books of the Company in person or by duly
authorized attorney upon surrender of this certificate properly endorsed.

 

The Company will be forced to redeem all of its Class A
ordinary shares if it is unable to complete a business combination by            ,
2021 as more fully described in the Company’s final prospectus dated             ,
2020.

 

This certificate is not valid unless countersigned by the Transfer
Agent and registered by the Registrar.

 

Witness the seal of the Company and the facsimile signatures
of its duly authorized officers.

 

	Secretary	 	[Corporate Seal] Cayman Islands	 	Chief Executive Officer
	 	 	 	 	 

 

YUNHONG INTERNATIONAL 

 

The Company will furnish without charge to each shareholder
who so requests the powers, designations, preferences and relative, participating, optional or other special rights of each class
of shares or series thereof of the Company and the qualifications, limitations, or restrictions of such preferences and/or rights.
This certificate and the shares represented thereby are issued and shall be held subject to all the provisions of the amended and
restated memorandum and articles of association and all amendments thereto and resolutions of the Board of Directors providing
for the issue of securities (copies of which may be obtained from the secretary of the Company), to all of which the holder of
this certificate by acceptance hereof assents. The following abbreviations, when used in the inscription on the face of this certificate,
shall be construed as though they were written out in full according to applicable laws or regulations:

 

	TEN COM	—	as tenants in common	UNIF GIFT MIN ACT	—	 	Custodian	 
	TEN ENT	—	as tenants by the entireties	 	 	(Cust)	 	(Minor)

  

	JT TEN	—	as joint tenants with right of survivorship and not as tenants in common	 	 	under Uniform Gifts to Minors Act
	 	 	 	 	 	(State)

 

    

     

    

 

Additional abbreviations may also be used though not in the
above list.

 

For value received,                             hereby
sells, assigns and transfers unto

 

	(PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER(S) OF ASSIGNEE(S))
	 
	 
	(PLEASE PRINT OR TYPEWRITE NAME(S) AND ADDRESS(ES), INCLUDING ZIP CODE, OF ASSIGNEE(S))
	 
	 
	 
	 
	 
	 
	Shares represented by the within Certificate, and does hereby irrevocably constitute and appoint
	 
	 
	Attorney to transfer the said shares on the books of the within named Company with full power of substitution in the premises.

 

Dated:

  

NOTICE: THE SIGNATURE(S) TO THIS ASSIGNMENT MUST CORRESPOND
WITH THE NAME AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE
WHATEVER.

 

	Signature(s) Guaranteed:
	By
	 
	 
	 

 

THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR
INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE
MEDALLION PROGRAM, PURSUANT TO S.E.C. RULE 17Ad-15 (OR ANY SUCCESSOR RULE) UNDER THE SECURITIES EXCHANGE ACT OF 1934,
AS AMENDED.

 

In each case, as more fully described in the Company’s
final prospectus dated             , 2020, the holder(s) of this
certificate shall be entitled to receive a pro-rata portion of certain funds held in the trust account established in
connection with its initial public offering only in the event that (i) the Company redeems the Class A ordinary shares sold
in the Company’s initial public offering and liquidates because it does not consummate an initial business combination by
            , 2021, (ii) the Company redeems the Class A ordinary
shares sold in its initial public offering in connection with a shareholder vote to amend the Company’s amended and restated
memorandum and articles of association to modify the substance or timing of the Company’s obligation to redeem 100% of the
Class A ordinary shares if it does not consummate an initial business combination by             ,
2021, or (iii) if the holder(s) seek(s) to redeem for cash his, her, its or their respective Class A ordinary shares
in connection with a tender offer (or proxy solicitation, solely in the event the Company seeks shareholder approval of the proposed
initial business combination) setting forth the details of a proposed initial business combination. In no other circumstances shall
the holder(s) have any right or interest of any kind in or to the trust account.

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