EXHIBIT 31.2



CHIEF FINANCIAL OFFICER CERTIFICATION



I, Charles Smith, certify that:



1. I have reviewed this report on Form
10-K of DynaResource, 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
amended 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 registrant as of, and for, the periods presented in this report;



4. The registrant’s other certifying
officer 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 controls over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f))
for the registrant 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 registrant, 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;
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| | b) | Designed such internal controls over financial reporting, or caused such
internal controls 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 principles;
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| | c) | Evaluated the effectiveness of the registrant’s disclosure controls
and procedures and presented in this report our conclusion about the effectiveness of the disclosure controls and procedures, as
of the end of the period covered by this report based on such evaluation;
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| | d) | Disclosed in this report any change to the
registrant's internal controls over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's
fourth fiscal quarter in the case of an report) that has materially affected, or is reasonably likely to materially affect, the
registrant's internal controls over financial reporting; and
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5. The registrant’s other certifying
officer and I have disclosed, based on our most recent evaluation of internal controls over financial reporting, 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 and material weaknesses
in the design or operation of internal controls over financial reporting which are reasonably likely to adversely affect the registrant’s
ability to record, process, summarize and report financial information; and
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| | b) | any fraud, whether or not material, that involves
management or other employees who have a significant role in the registrant’s internal controls over financial reporting.
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Date: February 8, 2013



/s/ Charles Smith



Charles Smith

Chief Financial Officer