Exhibit 4.43
 ASSIGNMENT AND ASSUMPTION AGREEMENT
REGARDING THE TECHNOLOGY DEVELOPMENT
 THIS ASSIGNMENT AND ASSUMPTION AGREEMENT REGARDING THE TECHNOLOGY DEVELOPMENT Assignment Assignor Assignee
 P3A Technology Development
Agreement
 Agria Share Purchase
Agreement
   1.
    
    Assignment and Assumption
 Closing




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2.
    
    Closing
 Closing Date
 3.
    
    Representations and Warranties
 a.
    
    The Assignor represents and warrants to the Assignee that:
 (i)
    
    it has not assigned, mortgaged, pledged,
encumbered, or otherwise hypothecated any of its right, title or
interest under the Technology Development Agreement, except as set
forth in this Assignment;
 (ii)
    
    the execution, delivery and performance of this
Assignment, including but not limited to the consummation of the
transactions contemplated hereby and thereby do not and will not
violate, conflict with or result in a breach of, or constitute a
default (or create an event which, with notice or lapse of time or
both, would constitute a default in the Technology Development
Agreement) of the terms, conditions or provisions under the Technology
Development Agreement;
 (iii)
    
    the Assignor has full power and authority to
enter into this Assignment, perform the obligations of such party
hereunder and consummate the transactions contemplated hereby. All
necessary and appropriate action has been taken by such party with
respect to the execution and delivery of this Assignment. This
Assignment constitutes the valid and binding obligation of such party
enforceable in accordance with the terms hereof, subject to bankruptcy,
insolvency, fraudulent transfer, reorganization, moratorium and similar
laws of general applicability relating to or affecting creditors
rights and to general equity principles.
 b.
    
    The Assignee represents and warrants to the Assignor that it
has full power and authority to enter into this Assignment, perform the
obligations of such party hereunder and consummate the transactions
contemplated hereby. All necessary and appropriate action has been taken by
such party with respect to the execution and delivery of this Assignment. This
Assignment constitutes the valid and binding obligation of such party
enforceable in accordance with the terms hereof, subject to bankruptcy,
insolvency, fraudulent transfer, reorganization, moratorium and similar laws of
general applicability relating to or affecting creditors rights and to general
equity principles.
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4.
    
    Conditions Precedent
 a.
    
    the obligations of the Assignor to complete the Closing, unless
otherwise waived in writing by the Assignor, are subject to the fulfillment of
each of the following conditions on or before the Closing Date:
 (i)
    
    the representations and warranties of the
Assignee shall be true and correct on the Closing Date;
 (ii)
    
    the Share Purchase Agreement has been fully
executed;
 (iii)
    
    the documents required in Section 6.01(a) to
Section 6.01(f) under the Share Transfer Agreement have been fully
executed; and
 (iv)
    
    the conditions required in Section 6.02 under
the Share Transfer Agreement have been satisfied.
 b.
    
    The obligations of the Assignee to complete the Closing, unless
otherwise waived in writing by the Assignee, are subject to the fulfillment of
each of the following conditions on or before the Closing Date:
 (i)
    
    the representations and warranties of the
Assignor shall be true and correct on the Closing Date;
 (ii)
    
    the Share Purchase Agreement has been fully
executed; and
 (iii)
    
    the conditions required in Section 6.03 under
the Share Transfer Agreement have been satisfied.
 5.
    
    TerminationThis Assignment shall be terminated at any time prior to the Closing by a mutual
written consent of the Assignor and the Assignee.6.
    
    ExpenseAll costs and expenses, including but not limited to, fees and disbursements of
counsel, financial advisors and accountants, incurred in connection with this
Assignment and the transactions contemplated hereby shall be paid by the party
incurring such costs and expenses.7.
    
    SeverabilityIf any term or other provision of this Assignment is invalid, illegal or incapable
of being enforced by any law or public policy, all other terms and provisions of
this Assignment shall nevertheless remain in full force and effect so long as the
economic or legal substance of the transactions contemplated hereby is not affected
in any manner materially adverse to either party hereto. Upon such determination
that any term or other provision is invalid, illegal or incapable of being enforced,
the parties hereto shall negotiate in good faith to modify this Assignment so as to
effect the original intent of the parties as closely as possible in an acceptable
manner in order that the transactions contemplated hereby are consummated as
originally contemplated to the greatest extent possible.
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8.
    
    AmendmentThis Assignment may not be amended or modified except by an instrument in writing
signed by, or on behalf of, the Assignor and the Assignee.9.
    
    Assignment and SuccessionThis Assignment may not be assigned by operation of law or otherwise without the
express written consent of the other party (which consent may be granted or withheld
in the sole discretion of such party). This Assignment shall be binding upon and
inure to the benefit of the parties hereto and their respective successors and
permitted assigns.10.
    
    Governing Law, ArbitrationThis Agreement shall be governed by, and construed in accordance with, the Laws of
the Peoples Republic of China. In the event that a dispute arises in connection
with the interpretation or implementation of this Agreement, the parties shall
attempt in the first instance to resolve such dispute through friendly
consultations. If the dispute is not resolved through consultations within thirty
(30) days after any party has served a written notice on the other parties
requesting the commencement of consultations, then any party may submit the dispute
for arbitration to the China International Economic and Trade Arbitration Commission
in accordance with its rules in force at the time. The arbitration shall take place
in Beijing and be conducted in Chinese. The arbitration award shall be final,
binding and non-appealable on the parties.11.
    
    NoticesAll notices, requests, claims, demands and other communications hereunder will be in
writing and will be given or made and will be deemed to have been duly given or made
upon receipt by delivery in person, by courier service, by confirmed telecopy (with
a copy sent by another means specified herein), or by registered or certified mail
(postage prepaid, return receipt requested) to the parties at the following
addresses or at such other address for a party as will be specified by like notice.
 If to the Assignor:Aero-Biotech Science & Technology Co., Ltd.
Address: 21th Floor, Tower B, Pingan International Financial Center, No. 1-3
Xinyuan South Road, Chaoyang District, Beijing
Attn: Xie Tao
Fax: 010-84381003
Postcode: 100027
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If to the Assignee:Mr. Xue Zhixin
Address: 25th Floor, Jin Gang Hotel,
No.91 Bing Zhou North Road,
Taiyuan City, Shanxi Province
Fax: 0351-4727112
Postcode: 030001
 12.
    
    Headings
  13.
    
    Language
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ASSIGNOR
    
    
    
    ASSIGNEEAero-Biotech Science & Technology Co., Ltd.
    
    
    
    Xue ZhixinBy:
    
    /s/ Xue Tao
    
    
    
    /s/ Xue ZhixinName:
    
    Xie TaoTitle:
    
    Chief Executive OfficerSeal:
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