Erya course is to give points. Discussions, questions and exams can be completed from the end of the class to the end of the semester, but they must be completed.

Tianjin University of Science and Technology, formerly known as Tianjin Institute of Light Industry, is a multidisciplinary university with coordinated development of engineering, science, literature, economics, management, law and art, which was established in 1958 from Hebei Institute of Light Industry. It is one of the first four light industry undergraduate colleges established in China. It is the only fully established university on the roof of economic growth in China, Binhai New Area. It is the first school in China to establish specialties such as food, fermentation, pulping and papermaking, and the specialty of salt chemical industry enjoys the reputation of "Huangpu of Salt Industry".