Dalian University of Technology (DUT) (simplified Chinese: 大连理工大学; traditional Chinese: 大連理工大學; pinyin: Dàlián Lǐgōng Dàxué), colloquially known in Chinese as Dàgōng (大工), is a public research university located in Dalian (main campus) and Panjin in Liaoning province, China. Formerly called the Dalian Institute of Technology, DUT is renowned as one of the Big Four Institutes of Technology in China. It is a Chinese Ministry of Education Class A Double First Class University, and one of the national key universities administered directly under the Ministry of Education.