Document:

EXHIBIT 10.25
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[GUANTAO LAW FIRM LOGO]
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Tel : 86 10 88086638     Fax : 86 10 88086645                   6/F, Tower B, Tong Tai Plaza, No. 33
Email : guantao@guantao.com/guantao@guantaolaw.com              Finance Street, Beijing, 100032, China
http://www.guantao.com

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To:   Beijing Origin Seed Limited
      Room 201-207, Area E
      Zhongguancun Development Building 2nd floor
      NO.20 Shangdi Information Middle Street
      Haidian District
      Beijing, China

      State Harvest Holdings Limited
      Offshore Incorporation Centre
      Road Town, Tortola
      British Virgin Island

      Origin Agritech Limited
      625 Broadway, Suite 1111
      San Diego CA 92101

Re:   The Stock Consignment Agreements

Dear Sirs,

      We are lawyers qualified in the People's Republic of China ("PRC") and are
qualified to issue an opinion on the laws and regulations of the PRC.

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      We have acted as PRC counsel to Beijing  Origin Seed Limited in connection
with the reverse merger of State Harvest Holdings Limited  ("Origin") and Origin
Agritech Limited. We are retained to advise on the PRC legal issues with respect
to Beijing  Origin  Seed  Limited  ("Beijing  Company"),  Changchun  Origin Seed
Technology Development Limited ("Changchun Company"),  (Henan Origin Seed Cotton
Technology Development Limited ("Henan Company" and Beijing Origin State Harvest
Biotechnology Limited  "Biotechnology  Company" (hereafter the "Origin Operating
Companies").

      We have been requested to give this opinion on the  enforceability  of the
following Stock Consignment Agreements:

      (i)  Stock  Consignment   Agreements  entered  into  by  and  between  all
shareholders  of Beijing  Company  holding  97.96% of the total equity shares of
Beijing Company and Origin;

      (ii)  Stock  Consignment  Agreements  entered  into  by  and  between  all
shareholders  of  Changchun  Company  holding  100% of the equity  shares of the
Changchun Company and Origin;

      (iii)  Stock  Consignment  Agreements  entered  into  by and  between  all
shareholders  of Henan Company  holding 97.96% of the total equity shares of the
Henan Company and Origin.

      In such capacity,  we have examined such documents,  as we have considered
necessary for the purpose of giving this  opinion.  For the purpose of rendering
this opinion,  we have assumed the authenticity of all the documents provided by
the parties,  and the truthfulness and accuracy of all the information  provided
by all the parties.

      Based on the foregoing Stock Consignment  Agreements and relevant laws and
regulations, we are of the opinion that:

      I. Origin Operating Companies

      (i)  Beijing  Company  was  incorporated  on  December  26,  1997  and was
converted from a private limited  liability  company to a joint stock company on
October 13, 2003. Mr. Han Gengchen owns 34.4 % of the shares of Beijing Company,
Mr. Yang Yasheng  owns  28.675%,  Mr. Yuan Lan owns 25.8%,  Ms. Zhao Yuping owns
3.995%,  Mr.  Zhang  Weidong  owns 3.13%,  Mr. Chen Weichen owns 1.96% and Henan
Agriculture University owns 2.04% of the share of Beijing Company.

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      (ii) Changchun Company was established on April 29, 2003. Mr. Han Gengchen
owns 1% of the equity shares of Changchun Company,  and Beijing Company owns 99%
of the equity shares of Changchun Company.

      (iii) Henan Company was established on March 2, 2001. Beijing Company owns
90% of the equity shares of Henan Company,  Ms. Zhang Yingli owns 4.1%, Mr. Yang
Yasheng owns 3.86% and Mr. Gu Dengbin  owns 2.04% of the equity  shares of Henan
Company.

      (iv)  Biotechnology  Company was  established on December 1, 2004 and is a
wholly foreign owned enterprise by Origin.

      II. Restructuring

      In order to consolidate with Origin Agritech Limited, the Origin Operating
Companies have undertaken the following restructuring:

      (i) Origin signed with the following parties Stock Consignment Agreements:

      a. all  shareholders of Beijing Company holding 97.96% of the total equity
shares of Beijing Company,  except the Henan  Agriculture  University that holds
2.04% of the Beijing Company's equity shares;

      b.  all  shareholders  holding  100% of the  total  equity  shares  of the
Changchun Company; and

      c. all  shareholders  of the  Henan  Company  holding  97.96% of the total
equity shares of the Henan  Company,  except Mr. Gu Dengbin,  who holds 2.04% of
the Henan Company's total shares.

      By virtue of the aforesaid Stock  Consignment  Agreements,  Origin will be
entitled  to  manage  and  control  the  following  equity  shares:   a)  shares
representing  97.96% of the total equity  shares of Beijing  Company;  b) shares
representing  100% of the total equity  shares of Changchun  Company;  c) shares
representing 97.96% of the total equity shares of Henan Company.

      (ii) Biotechnology Company signed with Beijing Company,  Changchun Company
and Henan Company the Technology Service Agreement.

      By virtue of the Technology Service Agreement, Biotechnology Company shall
provide  technology  service to Beijing  Company,  Changchun  Company  and Henan
Company, and receive service fees accordingly.

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      III. The Stock Consignment Agreement

      (i) The stock  consignment  arrangements are based on the relevant PRC law
and regulations. The Company Law of the People's Republic of China provides that
the  stocks  owned by the  promoters  of any joint  stock  company  shall not be
transferred  within three years of the establishment of the joint stock company.
Therefore,  since Beijing Company is a joint stock company,  its stocks owned by
its promoter  shareholders  shall not be  transferred  within three years of its
date of establishment  (October 13, 2003). Upon the expiration of the three-year
restricted  period,  the  stocks  owned  by  the  promoter  shareholders  may be
transferred pursuant to the PRC law. In addition, according to the Regulation on
the Approval and Registration of Foreign Investment  Enterprises in Agricultural
Seed Industry and Foreign Investment Guidance  Catalogue,  foreign investment in
seed  industry is limited to two forms:  Sino-foreign  equity joint  venture and
Sino-foreign cooperative joint venture over which the Chinese party shall own at
least more than 51% of the shares of the joint  venture.  Therefore,  Origin may
not own more than 49% of the stocks of  Beijing  Company,  Changchun  Company or
Henan Company.

      (ii) The PRC law does  not  prohibit  stock  consignment  arrangements  at
present.  Under  current PRC law, the stock  consignment  agreements  are valid,
binding, and enforceable against the parties.

      (iii) According to the stock consignment  agreements,  the shareholders of
Origin shall not,  without consent of Origin,  transfer the equity shares of the
Origin Operation Companies (except  Biotechnology  Company) that they own to any
third party. Since Origin shareholders will receive the consideration stipulated
in the Stock Purchase  Agreement upon the completion of the reverse merger,  the
consignment  agreements  provide  that,  in the event  that the  restriction  is
lifted,  Origin  shareholders  shall  transfer  the equity  shares of the Origin
Operation  Companies  (except  Biotechnology  Company)  that  they own to Origin
without any additional payment.  This provision is binding on the parties to the
agreements as well as their successors and assigns.

      This opinion is limited to the relevant  matters  under the law of the PRC
(other than the laws of the Hong Kong  Special  Administrative  Region and Macau
Special  Administrative  Region) in effect on the date  hereof,  and the matters
concerning the laws of other jurisdictions are not subject of this opinion.

      This  opinion is given solely for the benefit of the persons to whom it is
addressed. It may not, except with our prior written permission,  be relied upon
by anyone in connection with this opinion or used for any other purpose.

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      In connection with the above opinion,  we hereby consent to the use of our
name in the joint  Registration  Statement of Chardan China Acquisition Corp and
Origin  Agritech  Limited,  the  prospectus  constituting a part thereof and all
amendments  thereto under the caption "Legal  Matters" and to the filing of this
opinion as an exhibit to the Registration Statement.

                                             Yours faithfully,

                                             /S/ Guantao Law Firm

                                             Guantao Law Firm

                                        5Exhibit 10.26

                      CORN SEED PRODUCTION BOOKING CONTRACT

PARTY A: [ORIGIN COMPANY]
Address:

PARTY B:
Address:

Whereas,

In accordance with the Contract Law of People's Republic of China and the Seed
Law of People's Republic of China and other relevant Chinese Laws and
regulations, both of Parties, adhering to the principle of equality and mutual
benefit and through friendly consultations, agree to enter into this corn seed
production booking contract.

Article 1
There are [ ] units of area for the corn seed  production.  (the  unified  price
shall be applied to the unified combination)

Article 2
The amount  payable for the seed shall be  calculated by ___ to ___ times of the
commercial corn's price at the date of 15, December of the current year.

Article 3  Method of Payment
Party A shall make the payment in  accordance  with the  standard of ___ RMB per
kilogram of corn ears during one month after the purchasing of corn ears, and 90
percent of the amount for the net corn ear's purchasing shall be paid before 20,
January of next year, and the rest amount shall be paid off before April of next
year.

Article 4
Method of Seed Delivery shall be transporting to the processing factory of Party
A, the limitation for the delivery is to [ ].

Article 5
The qualification  standard for the seed: seed germinate rate-no less than ___%;
genuiness of seeds: no less than ____%;  seed purity:  no less than ___%; Water:
no higher than ___%.

Article 6
In the  event  of Force  Majeure:  the loss  from the  destructive  earthquakes,
serious flood and waterlog, drought, frostbite, typhoons, and hailstone shall be
borne by the Parties respectively, and either of the parties will not compensate
the other party any more.

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Article 7

Safety Isolating Standard: Hybrid is 300 meters, Self-copulation is 500 meters.

Article 8  Responsibility of Party A
1.    Arrange the hybrid  combination  that is suitable to the local  production
      conditions,  provide the State  regulated more than B level's parent seeds
      with consideration.
2.    Provide production technical material in detail,  dispatch the technicians
      who are satisfy the requirements from producing technical  instructions to
      the seed  producing  base to provide the  technical  instruction  for seed
      producing during the whole producing process.
3.    Purchase Party B produced all of certified seeds in time.
4.    Comply with the technical rules for seed  production and quarantine  rules
      for seeds and seeding  cultivated land, and accept the seed management and
      the plants' quarantine institution's supervision and inspection.
5.    Party A shall bear the loss of the frozen  seeds due to Party A's mistakes
      in the  technical  instruction  or the provided  parent  materials  having
      quality problem.

Article 9  Responsibility of Party B
1.    Guarantee the water and fertilizer  conditions for seed production and the
      safety  quarantine  conditions  and strictly  prohibit  producing  seed on
      gardening lands or wastelands; arranging the production in accordance with
      the variety,  quantity and quality of the seeds, and delivery to the Party
      A as the stipulated quantity, time and place in the contract.
2.    Guarantee  the  parent  seed  provided  by the Party A will not be spilled
      over, be sold, be self-bred,  or self-retained,  and delivery and sale all
      of the produced regular Hybrid seeds to Party A.
3.    Bear the economic  loss arising from the  inappropriate  management on the
      cultivation,  or from  reduction on output as do not follow the  technical
      requirements for seed production,  or from unqualified quality of seeds as
      without drastic de-coated seeds or extracting stamen.
4.    Party B shall  bear the loss if it do not air and  insolate  the  seeds as
      soon as harvest,  or if it adopts  improper  method to make the seed to be
      frozen or fusty.
5.    Party B shall take charge of resolving  the conflicts or dissension in the
      process of technical instruction, and take charge of cultivating different
      seed corn in the production base.

Article 10  Liability for Breach of contract
1.    If the  production  combination  arranged by Party A is not  suitable  for
      local  production  conditions,   or  its  technical  instruction  for  the
      production do not reach the requirements, or the provided parent seeds are
      not more than the state  regulated  B level,  Party B shall be liable  for
      Party A's loss caused.
2.    If Party A does not purchase all of regular quality seeds in time, or does
      not pay for the seeds, Party A shall be charged with the fine of breach of
      contract as % of total amount for every 10 days lapse.
3.    If Party B make the seeds provided by Party A to be spilled over, be sold,
      be  self-bred,   or   self-retained,   in  accordance  with  the  relevant
      regulations, Party A may hold it to liable for the compensation that is no
      more than the amount of its dispose or sales of the seeds.
4.    If Party A does not comply  with the  technical  rules to  produce  seeds,
      Party A shall be liable for the loss caused, and Party A shall be returned
      its invested production materials or cost by Party B.

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Article 11  Miscellaneous

Article 12  Dispute Resolution
If the  dispute  is due to the  quality  of the  seeds,  the  dispute  shall  be
submitted to the ______ Seed  Administrative  Section for the quality  technical
arbitration;  any dispute  arising out of this Contract or from its  performance
shall be resolved  through  friendly  consultation  between the Parties.  If any
Party is unwilling to resolve a dispute through consultation, the dispute may be
submitted to the Court.

Article 13
Matters not covered in this Contract shall be dealt with in separate instruments
to be  entered  into  by  the  Parties  through  friendly  consultations  and in
accordance with the Contract Law of People's  Republic of China and the Seed Law
of People's  Republic of China and other relevant  Chinese Laws and regulations.
The  separate  instruments  hereof  shall  have  the  same  legal  force as this
Contract.  The appendixes of this Contract include the rules for seed production
technology,  the muster roll with the producing farmers'  signatures and stamps,
and the letters of authorization.

Article 14  The term of this Contact
From [ ]to [ ]

Article 15
This  Contract is executed in two  originals  and two  counterparts.  Each Party
hereto shall hold one (1) original.  The counterparts  shall be submitted to the
Supervision Section for record.

Party A: (Stamp)
Legal Representative: (Signature)
Authorized Proxy: (Signature)

Party B: (Stamp)
Legal Representative: (Signature)
Authorized Proxy: (Signature)

Executive Place:
Executive Time:
                 Appendix: Corn Seed Production Booking Contract

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Party A: BEIJING ORIGIN SEED LIMITED-LINZE FILIALE
Party B:
Date By:

Miscellaneous:

1.    Party B shall arrange the soil  fertility on upper  intermediate  land for
      the seed production, and Party A's technical operation in production shall
      upon the strict  requirement.  If Party B  voluntarily  arranges  the seed
      production on the soil fertility  worse land, the loss of mid-long term on
      premature senility or dying, will afforded by Party B.

2.    Party B shall organize,  instruct,  supervise  farmers strictly follow the
      technical  requirements of the seed  production.  Prior to production corn
      seeds tassel,  Party B shall complete the seed decoating work. The rate of
      hybrid for Pollen  Plant  and/or Pod Plant must be less than 0.1%;  in the
      term of getting rid of androecium, the rate of Pod Plant dispersing powder
      shall not  accumulated  more than 0.2%,  the rate of Pollen  Plant  hybrid
      dispersing  powder  shall  not  accumulated  more than  0.1%.  If the seed
      production  areas which beyond the above standards to are not qualified in
      the in-house  re-examines,  they shall be discarded,  and the serious area
      shall be cut fully.

3.    During ten days  after Pod Plant  finish  the  pollination,  Party B shall
      ensure to  thoroughly  cut the Pollen Plant in seed  production  area.  In
      stipulated  period,  if the Pollen Plant lands that are not cut  promptly,
      the purchasing price of each kilogram seeds will be reduced by 0.05Yuan.

4.    After fruit-tassel be harvested,  Party B shall positively  coordinate the
      Party  A to  instruct  and  supervise  farmers  to  remove  impurities  in
      fruit-tassel,  mildewed fruit-tassel, insect frog, rat damage seeds and so
      on. Party A checks the Party B produced seeds' moisture,  generation rate,
      healthy seed rate and so on. If matching the Party A's requirement,  Party
      A shall purchase Party B`s qualified  fruit-tassel  seed.  Because Party B
      does not follow Party A's technical  requirements to promptly organize and
      supervise  farmers  to air and  insolate  the seeds  and  result in frozen
      injury,  Party B shall  hand  over all of  seeds  to  Party A to  transfer
      business  processing,  Party A shall  refer to the local  market  price of
      commercial corns at that time and pay for the seeds.

5.    When  purchasing  fruit-tassel  if  heterogeneous  corn  be  found  in the
      fruit-tassel  seed  submitted by Party B, Party A may deal with this batch
      of fruit-tassel seeds same as the price of commercial corn.

6.    Party B secretly  hold the hybrid seed  produced for Party A for self-use,
      transfer, or sales, Party B shall compensate the Party A as 2 times of the
      value  of the  seeds  that be hold  for  self-use,  transfer  or  sales (9
      Yuan/kilograms).

7.    When  purchasing  the  seeds,  Party  A shall  seal  seed  sample  by each
      household  for the seeds  submitted  by Party B and to  prepares  the seed
      re-inspection  and  appraisal;  through  Party A's  appraisal  Party A can
      resist to pay the unqualified seed.

8.    After purchasing the seed, Party A can re-inspect the purchased seeds, the
      purity of seed shall be finished the re-inspection  during a growth cycle,
      the seed-germination  rate shall be finished the re-inspection thirty days
      after all Party B's seeds in village be purchased.

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Party A: (Stamp)                          Party B: (Stamp)

Legal Representative:                     Legal Representative:

Authorized Proxy:                         Authorized Proxy:

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