No. Tianjin polytechnic university, referred to as Tiangong University, is located in Tianjin. It is a key construction university in Tianjin, and a national "double-class" construction university jointly established by the Ministry of Education, Tianjin University, National Bureau of Science, Technology and Industry for National Defense and Tianjin University. So tianjin polytechnic university is not 2 1 1. Tianjin polytechnic university majored in textile science and engineering, electrical engineering, design, chemical engineering and technology, mathematics, materials science and engineering.