You can't. According to the regulations of Guizhou Provincial Department of Education, higher vocational colleges strictly implement the regulations of the Ministry of Education on the management of students' internships in vocational schools. Higher vocational colleges shall not force students to practice in designated units, and shall not organize, arrange and manage students' internships through intermediaries or paid agencies. Therefore, higher vocational colleges are not allowed to organize students' internships through intermediaries in Guizhou.