EXHIBIT 12.1

# CERTIFICATION

I, Li Zhiyuan, certify that:

|1. |  | I
have reviewed this annual report on Form 20-F of Jinpan International
               Limited;
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|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;
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|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 company
as of, and for,                the periods presented in this report;
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|4. |  | The
company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)) for the company and
have:
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| | 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 company, 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) |  | evaluated
the effectiveness of the company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
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| | c) |  | disclosed
in this report any change in the companys internal control over financial reporting
that occurred during the period covered by the annual report that has materially
affected, or is reasonably likely to materially affect, the companys internal
control over financial reporting.
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|5. |  | The
companys other certifying officer and I have disclosed, based on our
               most recent evaluation of internal control over financial reporting, to
the                companys auditors and the audit committee of the company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 company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 companys internal control over           financial
reporting.
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|                    |                |                              
|------------------- | -------------- | -----------------------------
|Date: July 13, 2007 |                |                              
|                    | /s/ Li Zhiyuan
|                    |               
|                    | Name:          | Li Zhiyuan                   
|                    | Title:         | Chief Executive Officer      
|                    |                | (Principal Executive Officer)