Useful. "Post certificate" refers to all kinds of qualification certificates required for special posts with strong professional or skill requirements, such as special operation certificate, qualification certificate and training certificate. Is the post certificate of higher vocational teachers in Huazhong University of Science and Technology useful? South China University of Technology, referred to as South China University of Technology, is located in Guangzhou, Guangdong Province, directly under the Ministry of Education of People's Republic of China (PRC). It is a national key university determined by the Ministry of Education and the Guangdong Provincial People's Government, and it is a national first-class A university.