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EXHIBIT 31.2RULE 13A-14(A)/15D-14(A) CERTIFICATION

I, Fang Xie, certify that:

(1) I have reviewed this report on Form 10-QSB/A of Solar Enertech
  Corp. (the Registrant).

(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 in order
  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
  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 the Securities Exchange Act of 1934 (the Exchange Act),
  Rules 13a-15(e) and 15d-15(e)) internal control 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;

(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 the reliability of
  financial reporting and the preparation of financial statements for external
  purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the Registrant'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 Registrant's internal
  control over financial reporting that occurred during the Registrant's most
  recent fiscal quarter that has materially affected, or is reasonably likely
  to materially affect, the Registrant's internal control over financial reporting;
  and

(5) The Registrants other certifying officer and I have
  disclosed, based on our most recent evaluation of internal control over financial
  reporting, to the Registrant's auditors and the audit committee of the 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 control over financial reporting which are reasonably
  likely to adversely affect the Registrant'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 Registrant's internal
  control over financial reporting.

|Date: April 20, 2007 | By: | /s/
      Fang Xie                                         
|-------------------- | --- | -----------------------------------------------------------
|                     |     |                                                            
|                     |     | Fang Xie                                                   
|                     |     | Treasurer and Secretary  Principal Financial
      Officer

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