CERTIFICATIONThis is to certify that , ID Card No. , Student No. , has been studying the graduate program for Master Degree on in , Ocean University of China from Sept. to now Graduate School Ocean University of ChinaDate: -CERTIFICATIONThis is to certify that , ID Card No. , Student No. , has been studying the graduate program for Master Degree on in , Ocean University of China from Sept. to now Graduate School Ocean University of ChinaDate: