EXHIBIT 31.2: Rule 13a-14(a) Certification

I, Du Song, certify that:

        1.  I have reviewed this quarterly report on Form 10-QSB/A
(Amendment No. 1) of Iron Star Development, 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 presented
in this  report;

        4.  The small business issuer'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
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)  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

        c) Disclosed in this report any change in the small business
issuer's internal controls over financial 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 officers and I have
disclosed, based on our most recent evaluation of internal controls 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 controls 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 involves management or
other employees who have a significant role in the small business issuer's
internal controls over financial reporting.

Date: November 13, 2006                 /s/ Du Song
                                        --------------------------------
                                        Du Song, Chief Financial Officer