EXHIBIT 31.1

                     RULE 13A-14(A)/15D-14(A) CERTIFICATION

I, Yanbiao Bai, certify that:

1. I have reviewed this quarterly report on Form 10-QSB/A-1 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. 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

   c. 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;
      and

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.

December 18,  2006

                                                        By: /s/ Yanbiao Bai
                                                        ------------------------
                                                        Yanbiao Bai,
                                                        CEO, Principal Executive
                                                        Officer and President