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, Chief Financial Officer (principal executive
officer) of the Registrant, China Recycling Energy Corporation ("China Digital
Wireless, Inc." prior to March 8, 2007), certifies 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

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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 involves management or other employees who have a significant
role in the small business issuer's internal control over financial reporting.

SIGNATURE

|Date: April 12, 2007 | /s/  Mingda Rong        | 
|-------------------- | ----------------------- | 
|                     |                        
|                     | Mingda Rong            
|                     | Chief Financial Officer



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