345 points. According to the inquiry of official website of Zhengzhou University, the retest line of chemical technology for graduate students of Zhengzhou University in 2023 was 345 points. Zhengzhou University, referred to as "Zheng Da", is located in Zhengzhou City, Henan Province. It is a university jointly established by the Ministry of Education and the People's Government of Henan Province, and it is a national "double first-class" construction university.