Librarians are divided into junior librarians, intermediate librarians and senior librarians. Librarian examination registration is organized by the Provincial Housing and Construction Department or the Municipal Housing and Construction Committee.
Documentary is a technician who is responsible for the compilation, collection, collation and file management of engineering project data, and can only hold relevant positions after obtaining corresponding certificates. Some employers don't have independent librarians.
Those who have obtained the certificate of information officer of the Construction Bureau or passed the training examination in the construction industry can find jobs or employment in the survey units, design units, bidding agencies, construction units, supervision units, cost consulting units, construction engineering consulting units and construction project management units of the construction industry.