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 this quarterly report of Sino-American Development Corporation ("the Company") on Form 10-QSB for the period ended March 31, 2007 as filed with the Securities and Exchange Commission on the date hereof ("the Report"), I, Fang Zhong, Principal Executive Officer and Principal Financial Officer, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to 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 result of operations of the Company.

/s/ Fang Zhong

_______________________

Fang Zhong

Principal Executive Officer and

Principal Financial Officer

Dated: September 27, 2007