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 Annual Report of GREM USA (the "Company") on
Form 10-KSB for the period ended December 31, 2006 as filed with the Securities
and Exchange Commission on or about the date hereof ("Report"), the undersigned,
in the capacities and on the date indicated below, hereby certifies pursuant 18
U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002, that to the best of my 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.

Dated: APRIL 3, 2007                /S/ EDWARD MIERS
       -------------                ----------------
                                    Edward Miers
                                    Chief Executive Officer
                                    Principal Accounting Officer