HH Biotechnology (HHBT) 10-Q 2011 Q3 Quarterly report

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 Quarterly Report of Great China International Holdings, Inc. (the “Company”) on Form 10-Q for the period ending September 30, 2011, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Jiang Peng, Chairman of the Board (Principal Executive Officer) of the Company, certify, to the best of my knowledge, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that: (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.

Date: November 14, 2011                                                              By: /s/ Jiang Peng

       Jiang Peng, Chairman of the Board

       (Principal Executive Officer)

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 Quarterly Report of Great China International Holdings, Inc. (the “Company”) on Form 10-Q for the period ending September 30, 2011, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Sun Dongqing, Chief Financial Officer of the Company, certify, to the best of my knowledge, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that: (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.

Date: November 14, 2011                                                              By: /s/ Sun Dongqing

       Sun Dongqing, Chief Financial Officer

       (Principal Financial and Accounting Officer)

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

The foregoing certifications are being furnished solely to accompany the Report pursuant to 18 U.S.C. Section 1350, and are not being filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and are not to be incorporated by reference into any filing of the Company, whether made before or after the date hereof, regardless of any general incorporation language in such filing.