Do you need a patent certificate to graduate from East China University of Science and Technology?

Don't. According to the query of official website of East China University of Science and Technology, you should not get a patent certificate when you graduate from a university, because the university does not stipulate that you must get a patent certificate, so it is not required. East China University of Science and Technology (ECUST), located in Shanghai, is a national key university with 1 1 discipline directly under the Ministry of Education of People's Republic of China (PRC), and ranks among the national "double-class", "21/engineering" and "985 engineering advantage discipline innovation platform".