CERTIFICATION


OF
      CHIEF
      EXECUTIVE OFFICER


AND
      CHIEF
      FINANCIAL OFFICER PURSUANT TO 18 U.S.C. SECTION 1350,


AS
      ADOPTED PURSUANT TO


SECTION
      302 OF THE SARBANES-OXLEY ACT OF 2002





I,
      Yingxia Jiao, certify that:








1.   I
      have reviewed this Form 10-QSB of China Yingxia International, Inc. f/k/a
      Agronix, 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 under which such statements were
      made, not misleading with respect to the period covered by this 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
      small business issuer as of, and for, the periods present in this report;





4.   The
      small business 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 internal
      control over financial reporting (as defined in Exchange Act Rules 13-a-15(f)
      and 15d-15(f)) for the small business 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 small business 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 there liability 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 small business issuer's disclosure controls
      and procedures and presented in this report our conclusions about 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 small business issuer's internal control
      over financing reporting that occurred during the small business issuer's
      most recent fiscal quarter (the small business issuer's fourth fiscal
      quarter in the case of an annual report) that has materially affected,
      or is reasonably likely to materially affect, the small business issuer's
      internal control over financial reporting; and





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





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





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




Dated:
                August 14, 2007
            By:
            /s/ Yingxia
              JiaoYINGXIA
                JIAO
              Chief
                Executive Officer and
              Chief
                Financial Officer