[FORM 10-Q x For the quarterly period ended June 30, 2013 OR o For the transition period from SYNUTRA INTERNATIONAL, INC. DELAWARE 13-4306188 (State or Other Jurisdiction of Incorporation or Organization) I.R.S. Employer Identification No. 2275 Research Blvd., Suite 500 Rockville, Maryland 20850 (301) 840-3888 x o x o o Large accelerated filer] [CERTIFICATION I, Liang Zhang, 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 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 were] [CERTIFICATION I, Ning Cai, 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 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 were] [SYNUTRA INTERNATIONAL, INC. Certification Liang Zhang Chief Executive Officer] [SYNUTRA INTERNATIONAL, INC. Certification Ning Cai Chief Financial Officer]