Document:

<PAGE>

EXHIBIT 10.8(a)

                                 Cosimo J. Patti
                                SERVICE AGREEMENT

         This Service Agreement ("Agreement") is entered into as of the 27th day
of September, 2004 between American Oriental Bioengineering Inc., whose
principal offices are located at No 308 Xuefu Road, Nangang District, Harbin,
HLJ 150086, P.R. China (hereinafter referred to as the "Company"), and Cosimo J.
Patti, having an address at 31 Clarendon Place, Bloomfield, NJ 07003
(hereinafter referred to as the ("Director"), to provide the terms under which
the Director shall perform his functions as an elected independent director to
the Board of Directors of the Company during his or her respective terms

         WHEREAS, the Company's business consists of the development production
and distribution of dietary supplements, pharmaceutical products and activities
incidental thereto (the "Business") and the Company is a public company subject
to the securities laws and rules and other applicable laws and rules of the
United States.

         WHEREAS, the Company recognizes the unique qualifications and
contributions of the Director and desires to secure the services of the Director
on the terms and conditions set forth herein; and

         WHEREAS, the Independent Director is prepared to commit to such
services in return for specific arrangements or compensation and other benefits
on the terms and conditions set forth herein.

         NOW THEREFORE, in consideration of the foregoing premises and the
mutual covenants and agreements herein contained, the Company and the Director
do hereby agree as follows:

         1.       DUTIES OF THE INDEPENDENT DIRECTOR:

                  1.1      The Director shall carry out his/her duty as an
                           independent director to the Company and shall make
                           himself or herself available to perform such
                           functions in keeping with all the applicable laws,
                           rules, and regulations of the United States of
                           America, including, not limited to, the applicable
                           securities laws, and the laws of the State of
                           Delaware.

                  1.2      The Director hereby agrees faithfully to render the
                           service expected of an independent director and to
                           promote the interests of the Company to the best of
                           his ability and keep his duty of care,
                           confidentiality, and loyalty, among other duties. The
                           Director further agrees to devote necessary time,
                           attention, skill, and best efforts to the performance
                           of his duties under this Agreement.

                  1.3      The Director shall have such power and authority as
                           shall reasonably be required to enable him to perform
                           his duties hereunder in an efficient manner.

<PAGE>

                  1.4      The Director shall not self-deal or do anything
                           harmful to the interest of the Company or its
                           shareholders and shall not engage in any insider
                           trading or similar activities.

                  1.5      The Director shall maintain his or her standing and
                           capacity as an "independent director" under the
                           relevant rules of the Securities and Exchange
                           Commission and relevant rules and regulations of
                           relevant stock exchanges and shall not engage in any
                           employment or service with the Company or otherwise
                           that may impair such standing.

                  1.6      The Director shall serve on the audit committee and
                           the compensation committee in his or her as an
                           independent director.

         2.       COMPENSATION AND EXPENSES

                  During his or her term as an Director until the ease of his or
                  her function as an Director:

                  2.1      The Company agrees to pay the Director an annual
                           retainer ("the Retainer") of $30,000 to be paid
                           monthly. In addition, the Director shall be granted a
                           total number of registered shares of the common stock
                           of the Company with a total market value of $30,000
                           ("Registered Shares") for every year of service
                           rendered to the Company to be granted at the end of
                           each calendar year.

                  2.2      The Company shall promptly pay or reimburse the
                           Director for all reasonable expenses actually and
                           properly (in accordance with the Company's policy)
                           incurred or paid by him in connection with the
                           performance of his services under the Agreement
                           (including, without limitation to, travel expenses)
                           upon presentation of expense statements or vouchers
                           or such other supporting documentation in such form
                           and containing such information as the Company may
                           from time to time require. Any expense above $500
                           shall be pre-approved by the Company. Travel is to be
                           business class, 5 star hotels, or the next level
                           based upon availability, and limousine or taxi
                           service between airports, hotels, and home. The
                           Company will pay in advance or provide tickets for
                           approved travel.

                  2.3      In order to develop a better understanding of AOBO as
                           an organization , independent director may have
                           quarterly meetings at the AOBO's headquarters in
                           Harbin in conjunction with or otherwise normal Board
                           meetings, where applicable.

         3.       MISCELLANEOUS

                  3.1      This Agreement expresses the entire understanding and
                           agreement of the parties and supercedes any and all
                           prior agreements and understandings, whether written
                           or oral, relating in any way to the subject matter of
                           this Agreement. This Agreement cannot be modified,
                           amended, or supplemented except by a written
                           instrument or instruments executed by each of the
                           parties hereto.

                                       2
<PAGE>

                  3.2      This Agreement shall have a term during the period
                           director serves as an director of the Company until
                           such time he or she is removed by the board of
                           directors by a majority vote or not elected by the
                           next shareholder meeting whichever comes earlier.

                  3.3      This Agreement shall be governed by and construed
                           under the laws of the State of New York. If any
                           provision of this Agreement shall be invalid or
                           unenforcable, this Agreement shall be deemed amended
                           but only to the extent required to make it valid and
                           enforceable, and this Agreement as thereby amended
                           shall remain in full force and effect..

                  3.4      Arbitration is the only and exclusive remedy to the
                           parties for any dispute arising from this agreement.
                           The parties hereby expressly waive the right to any
                           jury or non-jury trial and hereby expressly submit to
                           the exclusive jurisdiction of an arbitration tribunal
                           under the auspices of the American Association in the
                           city of New York with such tribunal composed of three
                           arbitrators of which one is selected by each party
                           and the third one selected by the two arbitrators
                           already selected respectively by the parties. The
                           ward of the tribunal shall be exclusive, binding,
                           final and enforceable against the parties. In any
                           arbitration arising out of this Agreement the
                           prevailing party shall be entitled to request, and
                           receive an amount as and for the reasonable counsel
                           fees and expenses incurred by the prevailing party in
                           connection with such action, proceeding, or
                           arbitration.

                  3.5      In this Agreement, unless the context requires
                           otherwise or it is otherwise expressly provided,
                           words denoting any gender in clued all genders.

IN WITNESS WHEREFOR, the Company and Director have executed this

Agreement as of the day and year first above written.

Signed:  /s/ Cosimo J. Patti                 Signed:  /s/ Shujun Liu
       -----------------------------                ----------------------------
Name in Print:  Cosimo J. Patti              Name in Print: Shujun Liu
                --------------------                        --------------------

Title:  Independent Director                 Title: Chairman
        ----------------------------                ----------------------------

Date:  September 28, 2004                    Date:  October 1, 2004
       -----------------------------                ----------------------------

                                       3
<PAGE>

                               AMENDMENT NO. 1 TO
                                SERVICE AGREEMENT

         THIS AMENDMENT NO. 1 ("Amendment") to the Service Agreement dated
October 1, 2004 (the "Agreement") is made and entered into this 8th day of March
2006, by and among American oriental Bioengineering, Inc., a Nevada corporation
(the "Company") and Cosimo J. Patti ("Independent Director"), who are all of the
parties to the Agreement.

                                     RECITAL

         WHEREAS, the Company recognizes the unique qualifications of the
Independent Director and desires to secure the services of the Independent
Director on the terms and conditions set forth herein; and

         WHEREAS, the Independent Director is prepared to commit to such
services in return for specific arrangements or compensation and/or other
benefits on the terms and conditions set forth herein.

                                    AGREEMENT

         NOW, THEREFORE, in consideration of the foregoing recitals, the terms
of which are incorporated herein and made a part hereof, the parties hereto
agree as follows:

         1. Section 2.1 of the Agreement is hereby deleted in its entirety and
the following new paragraph 1 is inserted in lieu thereof:

                              ********************

1.       The Company agrees to pay Independent Director an annual retainer (the
         "Retainer") of $30,000 to be paid by monthly installments of $2,500 per
         month. In addition, Independent Director shall be granted a total
         number of restricted shares of the common stock of the Company with a
         total market value of $30,000 for every year of service rendered to the
         Company. The calculation of the market value shall be based on 100% of
         the average closing prices for the five trading days prior to and
         including the day of the signing of the Service Agreement, that is, the
         average of $1.35, $1.35, $1.33, $1.38, and $1.40 (representing the
         closing prices from Sep 27, 2004 through Oct 1, 2004) equal to $1.362.
         Then $30,000 divided by $1.362 equals 22,026 shares, which shall be
         issued at the anniversary of service. Company shall be responsible for
         all the cost associated with the removal of the restrictive legend upon
         the completion of one-year minimum restrictive period of such shares
         granted.

                              ********************

                                       4
<PAGE>

         IN WITNESS WHEREOF, the parties have duly executed this Agreement and
made it effective as of the day and year first set forth above.

         Signed:  /s/ Cosimo J. Patti           Signed: /s/ Shujun Liu
                  -------------------------             ------------------------
         Name in Print: Cosimo J. Patti         Name in Print: Shujun Liu
                        -------------------                    -----------------

         Title: Independent Director            Title: Chairman of the Board
                ---------------------------            -------------------------

         Date:  March 9, 2006                   Date:  March 11, 2006
                ---------------------------            -------------------------

                                       5<PAGE>

EXHIBIT 10.8(b)

                                  Xianmin Wang
                                SERVICE AGREEMENT

         This Service Agreement ("Agreement") is entered into as of the 1st day
of January, 2005 between American Oriental Bioengineering Inc., whose principal
offices are located at No 308 Xuefu Road, Nangang District, Harbin, HLJ 150086,
P.R. China (hereinafter referred to as the "Company"), and Xianmin Wang, having
an address at Harbin, China (hereinafter referred to as the ("Director"), to
provide the terms under which the Director shall perform his functions as an
elected independent director during his or her respective terms

         WHEREAS, the Company's business consists of the development, production
and distribution of dietary supplement, pharmaceutical products and activities
incidental thereto (the "Business") and the Company is a public company subject
to the securities laws and rules and other applicable laws and rules of the
United States.

         WHEREAS, the Company recognizes the unique qualifications of the
Director and desires to secure the services of the Director on the terms and
conditions set forth herein; and

         WHEREAS, the Director is prepared to commit to such services in return
for specific arrangements or compensation and other benefits on the terms and
conditions set forth herein.

         NOW THEREFORE, in consideration of the foregoing premises and the
mutual covenants and agreements herein contained, the Company and the
Independent Director do hereby agree as follows:

         1.       DUTIES OF THE INDEPENDENT DIRECTOR:

                  1.1      The Director shall carry out his/her duty as an
                           independent director to the Company and shall make
                           himself or herself available to perform such
                           functions in keeping with all the applicable laws,
                           rules, and regulations of the United States of
                           America, including, not limited to, the applicable
                           securities laws, and the laws of the State of
                           Delaware.

                  1.2      The Director hereby agrees faithfully to render the
                           service expected of an independent director and to
                           promote the interests of the Company to the best of
                           his ability and keep his or her duty of care,
                           confidentiality, and loyalty, among other duties. The
                           Director further agrees to devote necessary time,
                           attention, skill, and best efforts to the performance
                           of his/her duties under this Agreement.

                  1.3      The Director shall have such power and authority as
                           shall reasonably be required to enable him or her to
                           perform the duties hereunder in an efficient manner.

                  1.4      The Director shall not self-deal or do anything
                           harmful to the interest of the Company or its
                           shareholders and shall not engage in any insider
                           trading or similar activities.

<PAGE>

                  1.5      The Director shall maintain his or her standing and
                           capacity as an "independent director" under the
                           relevant rules of the Securities and Exchange
                           Commission and relevant rules and regulations of
                           relevant stock exchanges and shall not engage in any
                           employment or service with the Company or otherwise
                           that may impair such standing.

                  1.6      The Director shall serve on the audit committee and
                           the compensation committee in his or her as an
                           independent director.

         2.       COMPENSATION AND EXPENSES

                  During his or her term as a Director until the ease of his or
                  her function as a Director:

                  2.1      The Company agrees to pay the Director an annual
                           retainer ("the Retainer") of $30,000 to be paid
                           monthly. In addition, the Director shall be granted a
                           total number of shares of the common stock of the
                           Company with a total market value of $30,000
                           ("Shares") for every year of service rendered to the
                           Company to be granted at the end of each calendar
                           year.

                  2.2      The Company shall promptly pay or reimburse the
                           Director for all reasonable expenses actually and
                           properly (in accordance with the Company's policy)
                           incurred or paid by him in connection with the
                           performance of his services under this Agreement
                           (including, without limitation to, travel expenses)
                           upon presentation of expense statements or vouchers
                           or such other supporting documentation in such form
                           and containing such information as the Company may
                           from time to time require. Any expense above $500
                           shall be pre-approved by the Company. Travel is to be
                           business class, 5 star hotels, or the next level
                           based upon availability, limousine, or taxi service
                           between airports, hotels, and home. The Company will
                           pay in advance or provide tickets for approved
                           travel.

                  2.3      In order to develop a better understanding of AOBO as
                           an organization, director may have quarterly meetings
                           at AOBO's headquarters in Harbin in conjunction with
                           or otherwise normal Board meetings, where applicable.

         3.       MISCELLANEOUS

                  3.1      This Agreement expresses the entire understanding and
                           agreement of the parties and supercedes any and all
                           prior agreements and understandings, whether written
                           or oral, relating in any way to the subject matter of
                           this Agreement. This Agreement cannot be modified,
                           amended, or supplemented except by a written
                           instrument or instruments executed by each of the
                           parties hereto.

                  3.2      This Agreement shall have a term during the period
                           the director serves as a director of the Company
                           until at the earlier of such time when he or she is
                           removed by the board of directors by a vote of the
                           majority or not elected by the next shareholder
                           meeting whichever comes earlier.

                                       2
<PAGE>

                  3.3      This Agreement shall be governed by and construed
                           under the laws of the State of New York. If any
                           provision of this Agreement shall be invalid or
                           unenforceable, this Agreement shall be deemed amended
                           but only to the extent required to make it valid and
                           enforceable, and this Agreement as thereby amended
                           shall remain in full force and effect..

                  3.4      Arbitration is the only and exclusive remedy to the
                           parties for any dispute arising from this agreement.
                           The parties hereby expressly waive the right to any
                           jury or non-jury trial and hereby expressly submit to
                           the exclusive jurisdiction of am arbitration tribunal
                           under the auspices of the American Association in the
                           city of New York with such tribunal composed of three
                           arbitrators of which one is selected respectively by
                           the parties. The ward of the tribunal shall be
                           exclusive, binding, final and enforceable against the
                           parties. In any arbitration arising out of this
                           Agreement the prevailing party shall be entitled to
                           request, and receive an amount as and for the
                           reasonable counsel fees and expenses incurred by the
                           prevailing party in connection with such action,
                           proceeding, or arbitration.

                  3.5      In this Agreement, unless the context requires
                           otherwise or it is otherwise expressly provided,
                           words denoting any gender in clued all genders.

         IN WITNESS WHEREFOR, the Company and Director have executed this
Agreement as of the day and year first above written.

Signed:  /s/ Xianmin Wang                  Signed:  /s/ Shujun Liu
         ---------------------------                ---------------------------
Name in Print:  Xianmin Wang               Name in Print:  Shujun Liu
                --------------------                       --------------------

Title:  Independent Director               Title:  Chairman
        ----------------------------               ----------------------------

Date:  January 1, 2005                     Date:  January 1, 2005
       -----------------------------              -----------------------------

                                       3
<PAGE>

                               AMENDMENT NO. 1 TO
                                SERVICE AGREEMENT

         THIS AMENDMENT NO. 1 ("Amendment") to the Service Agreement dated
January 1, 2005 (the "Agreement") is made and entered into this 8th day of March
2006, by and among American oriental Bioengineering, Inc., a Nevada corporation
(the "Company") and Xianmin Wang ("Independent Director"), who are all of the
parties to the Agreement.

                                     RECITAL

         WHEREAS, the Company recognizes the unique qualifications of the
Independent Director and desires to secure the services of the Independent
Director on the terms and conditions set forth herein; and

         WHEREAS, the Independent Director is prepared to commit to such
services in return for specific arrangements or compensation and/or other
benefits on the terms and conditions set forth herein.

                                    AGREEMENT

         NOW, THEREFORE, in consideration of the foregoing recitals, the terms
of which are incorporated herein and made a part hereof, the parties hereto
agree as follows:

1.       Section 2.1 of the Agreement is hereby deleted in its entirety and the
         following new paragraph 1 is inserted in lieu thereof:

     **********************************************************************

1.       The Company agrees to pay Independent Director an annual retainer (the
         "Retainer") of $30,000 to be paid by monthly installments of $2,500 per
         month. In addition, Independent Director shall be granted a total
         number of restricted shares of the common stock of the Company with a
         total market value of $30,000 for every year of service rendered to the
         Company. The calculation of the market value shall be based on 100% of
         the average closing prices for the five trading days prior to and
         including the day of the signing of the Service Agreement, that is, the
         average of $1.52, $1.55, $1.53, $1.55, and $1.54 (representing the
         closing prices from Dec 28, 2004 through Jan 3, 2005) equal to $1.538.
         Then $30,000 divided by $1.538 equals 19,506 shares, which shall be
         issued at the anniversary of service. Company shall be responsible for
         all the cost associated with the removal of the restrictive legend upon
         the completion of one-year minimum restrictive period of such shares
         granted.

     **********************************************************************

                                       4
<PAGE>

         IN WITNESS WHEREOF, the parties have duly executed this Agreement and
made it effective as of the day and year first set forth above.

         Signed:  /s/ Xianmin Wang             Signed:  /s/ Shujun Liu
                  ------------------------              ------------------------
         Name in Print: Xianmin Wang           Name in Print: Shujun Liu
                        ------------------                    ------------------

         Title: Independent Director           Title: Chairman of the Board
                --------------------------            --------------------------

         Date:  March 13, 2006                 Date:  March 13, 2006
                --------------------------            --------------------------

                                       5

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