Exhibit 32.1



          CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED
            PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the report of Nutradyne Group, Inc. (the "Company") on Form
10-K for the period ending December 31, 2007 as filed with the Securities and
Exchange Commission on the date hereof (the "Report"), each of the undersigned,
in the capacities and on the dates indicated below, hereby certifies, pursuant
to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, that to his knowledge:

         (1) The Report fully complies with the requirements of Section 13(a) or
15(d) of the Securities Exchange Act of 1934; 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/ Yongxin Liu
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Yu Yongxin Liu
Chief Executive Officer
April 15, 2008

/s/ Yongkui Liu
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Yongkui Liu
Chief Financial Officer
April 15, 2008

A signed original of this written statement required by Section 906 has been
provided to Hong Kong Highpower Technology, Inc. and will be retained by Hong
Kong Highpower Technology, Inc. and furnished to the Securities and Exchange
Commission or its staff upon request.