[FORM 10-Q x For the quarterly period ended December 31, 2009 or ¨ For the Transition Period From SYNUTRA INTERNATIONAL, INC. DELAWARE 13-4306188 (State or other jurisdiction of incorporation or organization) (IRS Employer Identification No.) 2275 Research Blvd., Suite 500 Rockville, Maryland 20850 (301) 840-3888 x ¨ Yes ¨ ¨ Yes ¨ x ¨ ¨ Large accelerated filer ¨ x] [OF I, Liang Zhang, certify that: 1. I have rev iewed this quarterly report on Form 10-Q of Synutra International, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements] [I, Joseph Chow, certify that: 1. I have reviewed this quarterly report on Form 10-Q of Synutra International, Inc.; 2. Based on my knowledge, this report does not contain any untrue stat ement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were] [18 U.S.C. SECTION 1350, SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 EX-32.1 4 v173432_ex32-1.htm] [18 U.S.C. SECTION 1350, SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 Joseph Chow EX-32.2 5 v173432_ex32-2.htm]