**EXHIBIT
      31**




**CERTIFICATION**




I,
      Fang
      Zhong, certify that:




1. I
      have
      reviewed this Form 10-QSB quarterly report for the period ended September 30,
      2006, of SINO-American Development Corporation.




2. Based
      on my
      knowledge, this annual report does not contain any untrue statement of a
      material fact or omit to state a material fact necessary to make the statements
      made, in light of the circumstances under which such statements were made,
      not
      misleading with respect to the period covered by this quarterly
      report;




3. Based
      on my
      knowledge, the financial statements, and other financial information included
      in
      this annual report, fairly present in all material respects the financial
      condition, results of operations and cash flows of the registrant as of, and
      for, the periods presented in this annual report;




4. The
      registrant's other certifying officers and I are responsible for establishing
      and maintaining disclosure controls and procedures (as defined in Exchange
      Act
      Rules 13a-14 and 15d-14) for the registrant and have:




a) designed
      such
      disclosure controls and procedures to ensure that material information relating
      to the registrant, including its consolidated subsidiaries, is made known to
      us
      by others within those entities, particularly during the period in which this
      annual report is being prepared;




b) evaluated
      the
      effectiveness of the registrant's disclosure controls and procedures as of
      a
      date within 90 days prior to the filing date of this annual report (the
      "Evaluation Date"); and




c) presented
      in
      this annual report our conclusions about the effectiveness of the disclosure
      controls and procedures based on our evaluation as of the Evaluation
      Date;




5. The
      registrant's other certifying officers and I have disclosed, based on our most
      recent evaluation, to the registrant's auditors and the audit committee of
      registrant's board of directors (or persons performing the equivalent
      functions):




a) all
      significant deficiencies in the design or operation of internal controls which
      could adversely affect the registrant's ability to record, process, summarize
      and report financial data and have identified for the registrant's auditors
      any
      material weaknesses in internal controls; and




b) any
      fraud,
      whether or not material, that involves management or other employees who have
      a
      significant role in the registrant's internal controls; and




6. The
      registrant's other certifying officers and I have indicated in this annual
      report whether or not there were significant changes in internal controls or
      in
      other factors that could significantly affect internal controls subsequent
      to
      the date of our most recent evaluation, including any corrective actions with
      regard to significant deficiencies and material weaknesses.




December
      5, 2006





/s/
                Fang Zhong
              Fang
                Zhong, Chief Executive Officer and President