Business. Public refers to schools run by state government departments, and private refers to schools invested by private or private institutions. Sichuan Institute of Geology and Minerals Mechanical and Electrical Technicians is a state-owned public higher vocational college approved by the Sichuan Provincial People's Government to train high-skilled talents. Located in Binhe Scenic Area, chongzhou city, Chengdu, Sichuan Province, it is a vocational education and training college integrating the vocational skills training of technicians, reserve technicians, senior technicians and intermediate technicians. Therefore, Sichuan Institute of Geology and Minerals is a public institution.