Exhibit31.1

  Certification of Chief Executive Officer pursuant to 18 U.S.C.Section 1350, as
      adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

         I, Yanbiao Bai, certify that:

1.       I have reviewed this quarterly report on Form 10-Q/A of Cybrdi, Inc.

2.       Based on my knowledge, this 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 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 report, fairly present in all material
         respects the financial condition, results of operations and cash flows
         of the issuer as of, and for, the periods presented in this report;

4.       The issuer's other certifying officer(s) and I are responsible for
         establishing and maintaining disclosure controls and procedures (as
         defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and the internal
         control over financial reporting (as defined in Exchange Act Rule
         13a-15(f) and 15d-15(f) for the issuer and have:

         a.       Designed such disclosure controls and procedures, or caused
                  such disclosure controls and procedures to be designed under
                  our supervision, to ensure that material information relating
                  to the issuer, including its consolidated subsidiaries, is
                  made known to us by others within those entities, particularly
                  during the period in which this report is being prepared;

         b.       Designed such internal control over financial reporting, or
                  caused such internal control over financial reporting to be
                  designed under our supervision, to provide reasonable
                  assurance regarding the reliability of financial reporting and
                  the preparation of financial statements for external purposes
                  in accordance with generally accepted accounting principals;

         c.       Evaluated the effectiveness of the issuer's disclosure
                  controls and procedures and presented in this report our
                  conclusions after the effectiveness of the disclosure controls
                  and procedures, as of the end of the period covered by this
                  report based on such evaluation; and

         d.       Disclosed in this report any change in the issuer's internal
                  control over financial reporting that occurred during the
                  issuer's most recent fiscal quarter (the issuer's fourth
                  fiscal quarter in the case of an annual report) that has
                  materially affected, or is reasonably likely to materially
                  affect, the issuer's internal control over financial
                  reporting.

5.       The issuers other certifying officer(s) and I have disclosed, based on
         our most recent evaluation of internal control over financial
         reporting, to the issuer's auditors and the audit committee of the
         issuer's board of directors (or persons performing the equivalent
         functions):

         a.       All significant deficiencies in the design or operation of
                  internal control over financial reporting which are reasonably
                  likely to adversely affect the issuer's ability to record,
                  process, summarize and report financial information; and

         b.       Any fraud, whether or not material, that involves management
                  or other employees who have a significant role in the issuer's
                  internal control over financial reporting.


DATE: December 22, 2008  By: /s/ Yanbiao Bai
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                              Yanbiao Bai, Chief Executive Officer and President