EXHIBIT 32.1
                    CERTIFICATION PURSUANT TO SECTION 906 OF
                         THE SARBANES-OXLEY ACT OF 2002


Each of the undersigned, S.W. Yong, President and Chief Executive Officer of
Trio-Tech International, a California corporation (the "Company"), and Victor
H.M. Ting, Vice President and Chief Financial Officer of the Company, do hereby
certify, pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906
of the Sarbanes-Oxley Act of 2002, that, to the best of his knowledge (1) the
annual report on Form 10-K of the Company for the year ended June 30, 2003, as
filed with the Securities and Exchange Commission on the date hereof (the
"Report"), fully complies with the requirements of Section 13(a) or 15(d) of the
Securities Exchange Act of 1934, as amended, and (2) the information contained
in the Report fairly presents, in all material respects, the financial condition
and results of operations of the Company.

                                    /s/ S. W. YONG
                                    --------------------------------------------
                                    Name: S. W. Yong
                                    Title: President and Chief Executive Officer
                                    Date: September 25, 2003

                                    /s/ VICTOR H. M. TING
                                    --------------------------------------------
                                    Name: Victor H.M. Ting
                                    Title: Vice President and
                                           Chief Financial Officer
                                    Date: September 25, 2003

A signed original of this written statement required by Section 906, or other
document authenticating, acknowledging, or otherwise adopting the signature that
appears in typed form within the electronic version of this written statement
required by Section 906, has been provided to the Company and will be retained
by the Company and furnished to the Securities and Exchange Commission or its
staff upon request.