Not difficult. According to official website of Guangdong University of Technology, it's not difficult for Guangdong University of Technology to change majors in international classes. You only need to apply for changing majors after your freshman year. Guangdong University of Technology (English name: Guangdong University of Technology), also known as Guangdong University of Technology, is a provincial-level key university that focuses on engineering, combines engineering, management, law and art, and develops in a coordinated manner.