Document:

Exhibit 10.1
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                                  (Translation)

              Cooperation Agreement on the research and development
                   of avian flu vaccine for human use between
                         Sinovac Biotech Co. Ltd and the
                Center for Disease Control & Prevention of China

              Article I: Purpose of cooperation and name of Project

The research and development of avian flu vaccine for human use is an important
component of China's flu prevention and cure system. Incorporating the research
and development of the vaccine into the total framework of China's disease
control and prevention will help increase the efficiency of its performance. In
order to complement each other with their own resources, and to successfully
produce an avian flu vaccine for human use in the shortest possible time to meet
the state's needs in the prevention and cure of the flu, Sinovac Biotech Co. Ltd
(Sinovac) and the Center for Disease Control and Prevention of China (CDC),
through friendly consultations, have agreed to cooperate with each other in the
research and development of the avian flu vaccine for human use.

                       Article II: The Cooperating Parties

Sinovac Biotech Co. Ltd is a Company that specializes in the research,
development, production and sale of vaccines for human use. Its mission is to
provide vaccines for human beings to eliminate diseases. Since its inception,
the Company has successfully developed the hepatitis A vaccine inactivated; the
combined vaccine for hepatitis A and B; the flu splitting vaccine and the SARS
vaccine inactivated, etc. It has rich experience in the research and development
of vaccines as well as a team of professional technicians.

The Center for Disease Control and Prevention of China is a Government public
service agency responsible for the implementation of national disease control
and prevention, as well as the management of public health services and
technology. Its mission is to create a healthy environment, maintain social
stability, safeguard the security of the state and to promote the health of the
people through the prevention and control of diseases, deformities and
impairments. Its aim is to rely on scientific research based on the ability of
its personnel, concentrating on disease control.

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                   Article III. Research & Division of Duties

1.   CDC will monitor and assess all future flu information and will embark on
     sustained study of molecular epidemiology on prevalent virus strains to
     promptly identify the strains that may lead to the flu epidemic.
2.   CDC will guide the planning of the research and development of the avian
     flu vaccine for human use and will participate in its research and
     development and the design of its production technology.
3.   Sinovac will use its established research and production technology in
     vaccines for human use to research and develop the avian flu vaccine for
     human use, and will be responsible for the reporting and production of the
     vaccine.
4.   CDC will undertake the genome analysis of virus strains and the antigen
     analysis, and will monitor the effects of immunity protection during the
     course of the research and development of the vaccine. It will also provide
     technical guidance and requirements in the areas of vaccine use, vaccine
     storage and assessment of the effects of the vaccine.

                      Article IV: International Cooperation

Under the unified organization and guidance of CDC, this Project will seek wide
international cooperation and will engage in exchanges with international
bodies. Sinovac will be responsible for international cooperation regarding
technological property rights and the signing of relevant documents.

                         Article V: Form of Cooperation

Sinovac and CDC will jointly form a key task team for the Project. If necessary,
a corresponding organization will be set up to complete the research of the
avian flu vaccine for human use and other related projects.

Sinovac and CDC will each have one person specially assigned for the
organization and implementation of the Project. The two Parties will exchange
technicians according to the needs of the research. Each side will also provide
proper research environment in their respective laboratories.

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                      Article VI: Funding for the Research

1.   Sinovac will be responsible for funding the research and development of the
     avian flu vaccine for human use, including the introduction of virus
     strains; patent application and the payment of fees; the examination and
     determination of vaccines and the costs of allocating research, etc.
2.   CDC will be responsible for funding the study of avian flu epidemiology
     among humans; molecular epidemiology and other related researches.
3.   The two Parties may jointly use this Project to apply for research funds
     with the appropriate Government Departments, to be used on the Project and
     other related purposes.

             Article VII: Ownership and sharing of technical results

1.   The two Parties agree that the application for new drug certificate;
     production documents; patent and specialized technology for the avian flu
     vaccine for human use will be made in Sinovac's name and will remain the
     properties of Sinovac.
2.   When the products of avian flu vaccine for human use yield economic
     benefits, Sinovac will provide funds gratis to CDC to support its work in
     the investigation of flu epidemic in China and the formulation and
     implementation of prevention and cure planning.
3.   The two Parties will jointly apply and complete all applications for awards
     with the state based on the results of the scientific research of avian flu
     vaccine for human use. Any such award or honour will be jointly owned by
     both Parties.
4.   During the entire course of the two Parties working together to develop the
     avian flu vaccine for human use, the publication of any relevant research
     results in domestic or foreign academic journals must first have the
     approval of both sides. The signature for the results shall be in
     accordance with the work performed and the amount of contribution by each
     Party.

                          Article VIII: Confidentiality

The two Parties undertake to maintain strict confidentiality regarding the
specialized technology and related information for the research and manufacture
of the vaccine. Any information disclosed to the public, including news,
treatises, etc must be approved by both Parties.

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(no text proper on this page)

Sinovac Biotech Co. Ltd (seal) [content of seal unclear]
Representative: Yin Weidong [signature]
Date: 2004.11.29

Center for Disease Control & Prevention of China (seal)
[Seal of Center for Disease Control & Prevention of China]
Representative: [Signature. Characters illegible.]
Date: 2004.12.15

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Translator's Declaration:
I, Miguel Tu, Certified Translator and Member in good standing of the Society of
Translators and Interpreters of British Columbia, attest that, to the best of my
knowledge and belief, the document above is a true and accurate English
translation of a document in the Chinese language that appears to be a
[Cooperation Agreement between Sinovac and CDC].

Signed:                                                  Date: December 28, 2004
        --------------------------
                        Miguel Tu
Certified Translator. STIBC Membership No. 04-10-0685    Tel: 604-728-6181
Attorney General Accredited & STIBC Certified Court Interpreter
Member of Canadian Translators, Terminologists & Interpreters Council

                                                                               4EXHIBIT 10.8

                              EMPLOYMENT AGREEMENT

                  THIS EMPLOYMENT AGREEMENT (the "Agreement") is made and
entered into effective as of January 1st, 2004 between Systems Evolution Inc., a
Texas corporation, with headquarters located at 10707 Corporate Drive, Suite
156, Stafford, Texas 77477 (the "Corporation"), and Robert Clark Rhodes, II
("Officer"), currently residing at 3331 Summer Bay Drive, Sugar Land, Texas
77478.

                                 R E C I T A L S

         A. Officer desires to become employed by the Corporation as Chairman of
the Board and Chief Executive Officer pursuant to the terms and conditions set
forth in this Agreement.

         B. The Corporation desires to employ Officer in such capacity pursuant
to the terms and conditions set forth in this Agreement.

                  THE PARTIES AGREE AS FOLLOWS:

         1. Duties. During the term of this Agreement, Officer agrees to be
employed by and serve the Corporation as Chairman of the Board and Chief
Executive Officer, and the corporation agrees to employ and retain Officer in
such capacity. Officer shall devote his best efforts and all of his business
time, energy, and skill to the affairs of the Corporation; provided, however,
that Officer may undertake such specific additional charitable and business
activities, if any, as the Board of Directors of the corporation may reasonably
approve (including, without limitation, activities for affiliates of the
Corporation). In the performance of his duties hereunder, Officer shall at all
times be subject to the directions of the Board of Directors of the Corporation.

<PAGE>

         2. Term of Employment.

                  2.1 Definitions. For purposes of this Agreement, the following
         terms shall have the following meanings:

                           (a) "Gross Revenues" shall mean all revenues of the
                  Corporation, other than investment income, calculated in
                  accordance with generally accepted accounting principles.

                           (b) "Net Income" shall mean the net income of the
                  Corporation, calculated in accordance with generally accepted
                  accounting principles, after payment of taxes by the
                  Corporation.

                           (c) "Termination for Cause" shall mean termination by
                  the Corporation of Officer's employment for reason of (i)
                  Officer's willful and persistent inattention to his duties
                  and/or acts amounting to gross negligence or willful
                  dishonesty towards, fraud upon, or deliberate injury or
                  attempted injury to, the Corporation, (ii) Officer's willful
                  breach of any term or provision of this Agreement; or (iii)
                  the commission by Officer of any act or any failure by Officer
                  to act involving serious criminal conduct or moral turpitude,
                  whether or not directly relating to the business and affairs
                  of the Corporation.

                           (d) "Termination other than for Cause" shall mean
                  termination by the Corporation of Officer's employment other
                  than a Termination for Cause.

                           (e) "Voluntary Termination" shall mean termination by
                  Officer of Officer's employment by the Corporation and shall
                  exclude termination by reason of Officer's death or disability
                  as described in Sections 2.5 and 2.6.

                  2.2 Basic Term. The term of employment of Officer by the
         Corporation shall terminate, unless extended by mutual written
         agreement of Officer and the Corporation, or unless earlier terminated
         in accordance with this Agreement three (3) years from the date hereof.

<PAGE>

                  2.3 Termination for Cause. Termination for Cause may be
         effected by the Corporation at any time during the term of this
         Agreement and shall be effected by written notification to Officer.
         Upon Termination for Cause, Officer shall be immediately paid all
         accrued base salary, bonuses, any vested deferred compensation (other
         than pension plan or profit sharing plan benefits which will be paid in
         accordance with the applicable plan), reimbursements for certain
         expenses and taxes as provided in this Agreement and vacation pay,
         through the date of termination, but Officer shall not be paid any
         other compensation of any kind, including without limitation, severance
         compensation.

                  2.4 Termination Other than for Cause. Notwithstanding anything
         else in this Agreement, the Corporation may effect a Termination other
         than for Cause at any time upon giving notice to Officer and tendering
         therewith all accrued base salary, bonuses, any vested deferred
         compensation (other than pension plan or profit sharing plan benefits
         which will be paid in accordance with the applicable plan)
         reimbursements for certain expenses and taxes as provided in this
         Agreement and vacation pay, through the date of termination. In
         addition, in the event of a Termination other than for cause, the
         corporation shall pay Officer severance compensation as provided in
         Section 4. Officer shall be entitled to no other compensation of any
         kind.

                  2.5 Termination by Reason of Disability. In the event that
         Officer should, in the reasonable judgment of the Board of Directors of
         the Corporation, fail to perform his duties under this Agreement on
         account of illness or physical or mental incapacity, and such illness
         or incapacity shall continue for a period of more than three months,
         the Corporation shall have the right to terminate Officer's employment
         hereunder by written notification to Officer and payment to Officer of
         all accrued base salary, bonuses, any vested deferred compensation
         (other than pension plan or profit sharing plan benefits which will be
         paid in accordance with the applicable plan), reimbursements for
         certain expenses and taxes as provided in this Agreement and vacation
         pay. In addition, in the event of a termination for the disability of
         Officer, the corporation shall pay to Officer severance compensation as
         provided in Section 4 until the earlier to occur of (i) two years, or
         (ii) the expiration of Officer's employment as provided in section 2.2
         of this Agreement. Officer shall be entitled to no other compensation
         of any kind.

<PAGE>

                  2.6 Death. In the event of Officer's death during the term of
         this Agreement, Officer's employment shall be deemed to have terminated
         as of the last day of the month during which his death occurred, and
         the Corporation shall pay to his estate accrued base salary, bonuses,
         any vested deferred compensation (other than pension plan or profit
         sharing plan benefits which will be paid in accordance with the
         applicable plan), reimbursements for certain expenses and taxes as
         provided in this Agreement and vacation day, through the date of
         termination. In addition, in the event of termination for reason of the
         death of Officer, the Corporation shall pay to Officer's spouse, if she
         survives him, or, if Officer is not married on the date of his death,
         then to his estate, severance compensation as provided in section 4
         until the earliest of (i) the expiration of two years from the date of
         Officer's death, or (ii) if Officer is married and the date of his
         death, the date of death of such spouse, or (iii) the expiration of
         Officer's employment as provided in Section 2.2 of this Agreement.
         Officer's estate or spouse shall be entitled to no other compensation
         of any kind.

                  2.7 Voluntary Termination. In the event of a Voluntary
         Termination, the Corporation shall immediately pay all accrued salary,
         bonuses, any vested deferred compensation (other than pension plan or
         profit sharing plan benefits which will be paid in accordance with the
         applicable plan), reimbursements for certain expenses and taxes as
         provided in this Agreement and vacation day, through the date of
         termination, but no other compensation of any kind, including without
         limitation severance pay.

<PAGE>

         3. Salary and Benefits.

                  3.1 Base Salary. As payment for the services to be rendered by
         Officer as provided in Section 1, and subject to the terms and
         conditions of Section 2, the Corporation agrees to pay Officer a base
         salary of not less than $ 200,000, payable on the 15th day (or the
         business day immediately preceding such date) and the first day (or the
         business day immediately preceding such date) of each month or in such
         other periodic installments as the Board of Directors of the
         Corporation may establish from time to time for senior management,
         until the first anniversary of the effective date of this Agreement.
         The base salary payable to Officer for each remaining year of the term
         of this Agreement following the first anniversary of the effective date
         of this Agreement shall be established on an annual basis by the Board
         of Directors of the Corporation.

                           (a) For at least the first calendar quarter of 2004,
                  the Officer's W2 paid salary shall be $50,000. Each month,
                  upon review of the company's run rate (defined as the
                  company's average monthly billings for the last quarter), the
                  Officer's W2 salary shall be adjusted upwards at least $10,000
                  for each million dollars of run rate past $1,000,000 in run
                  rate until such time as the Officer's true salary is reached.

                  3.2 Options. In addition to the base salary payable pursuant
         to Section 3.1, the Officer shall be a member of the Employee Stock
         Option Plan as adopted by the Corporation. The Officer shall be granted
         as of the effective date of this agreement, two million (2,000,000)
         options per annum of this agreement for a total for five million
         (6,000,000) options. 500,000 options shall vest each calendar quarter\.
         Their exercise price shall be $0.05 per share, which at December 1st,
         2003 was at least one hundred percent (100%) of their fair market
         price. These options shall expire if not exercised 10 years from the
         date that the last shares are vested.

<PAGE>

                  3.4 Tax Implications. As state in Section 3.3, it is the
         Corporation's anticipation that the issuance of specified stock,
         Options and Warrants shall not be taxable, but it is the Officer's sole
         duty to understand and verify the tax implications for the Officer of
         said issuances.

                  3.5 Bonuses. In addition to the base salary payable pursuant
         to Section 3.1, a bonus plan shall be established by July 31st, 2004
         and payable to Officer during each remaining fiscal years of the term
         of this Agreement and shall be annually established by the Board of
         Directors of the Corporation.

                  3.6 Employee Benefit Plans. Officer shall be eligible to
         participate in such of the corporation's benefit plans as may be
         established by the Board of Directors of the Corporation and made
         generally available of the Corporation (including without limitation
         any plans and programs of affiliates of the corporation in which the
         Corporation has elected to participate), including any retirement,
         profit sharing, deferred compensation, stock option, medical, dental,
         and health insurance plans.

                  3.7 Lease of Automobile and Expenses. As this Officer's duties
         include extensive travel by automobile, the Corporation shall provide
         an automobile, which shall serve as the Officer's sole expense
         reimbursement for automobile travel. It will be the Officer's
         requirement to document for his tax purposes the usage of his
         automobile.

                  3.8 Vacations; Taxes; Business Expenses. Officer will be
         entitled to vacation periods each year similar to those taken by the
         corporation's other key Officers up to 184 hours. Officer will also be
         entitled to reimbursement for his reasonable business expenses incurred
         in connection with the performance of his duties hereunder commencing
         on the effective date hereof, including expenditures for entertainment,
         gifts and travel, provided that (a) each such expenditure is of a
         nature qualifying it as a prior deduction on the federal and state
         income tax returns of the corporation and (b) Officer furnishes to the
         corporation adequate records and other documentary evidence required by
         federal and state statutes and regulations issued by the appropriate
         tax authorities for the substantiation of each such expenditure as an
         income tax deduction.

<PAGE>

                  3.9 Indemnification. The Corporation will indemnify and hold
         harmless the Officer in connection with the defense of any action, suit
         or proceeding to which he is a party or threat thereof, by reason of
         his being or having been an Officer or director of the Corporation to
         the fullest extent that may be permitted by applicable law.

         4.       Severance Compensation.

                  4.1 Termination other than for Cause. In the event Officers
         employment is terminated in a termination other than for Cause, Officer
         shall be paid concurrently with the notice of termination as severance
         pay an amount equal to his then base salary until the earlier to occur
         of (i) the expiration of the term of this Agreement as set forth in
         Section 2.2, or (ii) one year.

                  4.2 Other Termination. In the event of a Voluntary Termination
         or Termination for cause, Officer or his estate shill not be paid any
         severance pay.

         5.       Non-competition.

                  5.1 During the Term of Employment. During the term of his
         employment under this Agreement, Officer shall not directly or
         indirectly, as an owner, partner, shareholder, employee, consultant, or
         in any similar manner, engage in any activity competitive with or
         adverse to the business in which the Corporation is engaged at the
         time. Notwithstanding the foregoing, Officer shall be free, without the
         Corporation's consent, to purchase or hold as an investment or
         otherwise, up to one percent of the outstanding stock or other
         securities of any corporation which has its securities publicly traded
         on any recognized securities exchange or in the over-the-counter market
         or, one percent of the stock or other securities of any privately held
         corporation that might be in competition with the corporation.

<PAGE>

                  5.2 After Termination. In the event of a Voluntary Termination
         or Termination for Cause, Officer covenants that he shall not for one
         year following such termination directly or indirectly as an owner,
         partner, shareholder, employee, consultant, or in any similar manner
         engage, in competition with the corporation, in the same type of
         business as the corporation is engaged at the time of the termination,
         it being understood that the competitive nature of any other ownership,
         employment, consultation or other activity shall be determined in good
         faith by the Board of Directors of the Corporation. Notwithstanding the
         foregoing, the purchase or holding by Officer as an investment or
         otherwise of up to one percent of the outstanding stock or other
         securities of any such competitive corporation or business which has
         its securities publicly traded on any recognized securities exchange or
         in the over-the-counter market or five percent of the stock of any
         privately held corporation shall not constitute a breach of the
         covenant contained in this Section 5.2.

         6. Confidentiality. Officer agrees that all confidential and
proprietary information (including without limitation any and all information,
books, records, and documents relating to the corporation's operations, customer
lists, financial data, any and all reports to the Corporation by Officer during
the course of his employment by the Corporation, and any and all information
regarding personnel, customers, pricing, terms of sale, research and
development, or otherwise relating to the business of the corporation) relating
to the business or operations of the corporation or if its affiliates, shall be
kept and treated as confidential both during and after the term of this
Agreement, provided that Officer shall not incur any liability for disclosure of
information which (a) was permitted in writing by the Corporation's Board of
Directors, or (b) is within the public domain or comes within the public domain
without any breach of this Agreement. All notes, memoranda, reports, drawings,
blueprints, manuals, computer programs, records, materials, data and other
papers of every kind which were in or shall come into Officer's possession at
any time during Officer's employment by the Corporation relating to any such
confidential and proprietary information shall be the sole and exclusive
property of the Corporation. This property shall be surrendered to the
Corporation upon termination of the employment period or upon request by the
corporation at any other time either before or after such termination, and
Officer agrees not to retain any copies, notes or excerpts thereof.

<PAGE>

         7. Copyright. Officer agrees that, except as provided in the preceding
sentence, any and all writings produced at any time during the term hereof by
Officer as a part of the performance of his duties hereunder are and will be the
sole property of the Corporation, and that the Corporation will have the
exclusive right to copyright such writings in any country.

         8. Miscellaneous.

                  8.1 Waiver. The waiver of the breach of any provision of this
         Agreement shall not operate or be construed as a waiver of any
         subsequent breach of the same or other provision hereof.

                  8.2 Entire Agreement; Modifications. Except as otherwise
         provide this Agreement represents the entire understanding among the
         parties with respect to the subject matter hereof, and this Agreement
         supersedes any and all prior understandings, agreements, plans and
         negotiations, written or oral, with respect to the subject matter
         hereof, including without limitation any understandings, agreements or
         obligations respecting any past or future compensation, bonuses,
         reimbursements, or other payments to of Officer from the Corporation.
         All modifications to the Agreement must be in writing and signed by the
         party against whom enforcement of such modification is sought.

                  8.3 Notices. All notices and other communications under this
         Agreement shall be in writing and shall be delivered personally or
         given by telegraph or facsimile transmission or first class mail and
         shall be deemed to have been duly given when personally delivered or
         seven days after mailing or one day after facsimile or telegraph
         transmission to the respective persons named below:

<PAGE>

       If to the Corporation:    Michael Barbour
                                 Chairman of the Compensation Board Committee
                                 Systems Evolution Inc.
                                 10707 Corporate Drive
                                 Suite 156
                                 Stafford, Texas 77477

       If to Officer:            Robert Clark Rhodes, II
                                 3331 Summer Bay Drive
                                 Sugar Land, Texas 77478

                  Any party may change its address for notices by notice duly
         pursuant to this Section 8.3.

                  8.4 Headings. The Section headings herein are intended for
         reference and shall not by themselves determine the construction or
         interpretation of this Agreement.

                  8.5 Governing Law; Consent to Jurisdiction. Agreement shall be
         governed by and construed in accordance with the laws of the state of
         Texas. Officer and Corporation each agree that service upon them in any
         such action may be made by first class mail, certified or registered,
         in the manner provided for delivery of notices in Section 8.3.

                  8.6 Injunctive Relief. The parties acknowledge and agree that
         the extent of damages to the Corporation in the event of a breach of
         Sections 5, 6 or 7 of this Agreement would be difficult or impossible
         to ascertain and that there is and will be available to the Corporation
         no adequate remedy at law in the event of any such breach. Accordingly,
         Officer agrees that, in the event of such breach, the Corporation shall
         be entitled to enforce such sections by injunctive or other equitable
         relief in addition to any other relief to which the corporation may be
         entitled.

<PAGE>

                  8.7 Survival; Non-Assign ability. The Corporation's
         obligations hereunder shall not be terminated by reason of any
         liquidation, dissolution, bankruptcy, cessation of business, or similar
         event relating to the corporation. This Agreement shall not be
         terminated by any merger or consolidation or other reorganization of
         the Corporation. In the event any such merger, consolidation, or
         reorganization shall be accomplished by transfer of stock or by
         transfer of assets or otherwise, the provisions of this Agreement shall
         be binding upon and shall inure to the benefit of the surviving or
         resulting corporation or person. This Agreement shall be binding upon
         and inure to the benefit of the executors, administrators, heirs,
         successors and assigns of the parties; provided, however, that, except
         as herein expressly provided, this Agreement shall not be assignable
         either by the Corporation (except to an affiliate of the Corporation)
         or by Officer.

                  8.8 Counterparts. This Agreement may be executed in one or
         more counterparts, all of which taken together shall constitute one and
         the same Agreement.

                  8.9 Severability. If any portion of this Agreement is
         determined to be invalid or unenforceable, the remainder shall be valid
         and enforceable to the maximum extent possible.

                  8.10 Attorneys. In the event legal action is brought to
         interpret or enforce this Agreement, the prevailing party shall be
         entitled to recover its reasonable attorneys' fees and related costs.

<PAGE>

         WITNESS WHEREOF, the parties hereto have executed this Agreement
effective as of the day and year first above written.

------------------------

By: /s/ Robert C. Rhodes, II
    __________________, President

OFFICER:

/s/ Robert C. Rhodes, II
-------------------------
Robert C. Rhodes, II

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