Form 10KSB/A EXHIBIT 31.2

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

PURSUANT TO RULE 15d-14(a) (17 CFR 240.15d-14(a))

(AUTHORIZED BY SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002)

I, Mingda Rong, certify that:

1. I have reviewed this annual report on Form 10-KSB/A of the
Registrant, China Recycling Energy Corporation ("China Digital Wireless, Inc."
prior to March 8, 2007).

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 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)) 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 control 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 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):

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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 involves
management or other employees who have a significant role in the small business
issuer's internal control over financial reporting.
SIGNATURE
Date: June 20, 2008
/s/Mingda Rong 
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Mingda Rong 
Chief Financial Officer

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