Generally, university libraries are more cautious in purchasing original foreign books (mainly English books) than Chinese books, because foreign books are expensive. The procedure of purchasing foreign language books in university libraries is generally to make an annual purchasing plan (mainly the total amount of funds and the distribution ratio of books in various disciplines) and then pass it at the relevant meeting of the school or be approved by the president in charge. Secondly, the library will contact the bidding management department of the school to draw up the tender (explain the procurement requirements and bid evaluation criteria, such as bookseller's reputation, bibliographic data, discount ratio, etc.). ) and publish the tender on the campus network. In the third step, the bookseller will provide the bibliography according to the bidding results, and the library will invite relevant experts and professors to select books and make reservations according to the bibliography. If you have any foreign language books to sell to the library, contact the local university library with your book-related disciplines for recommendation, but you must have a business invoice, otherwise you can't provide an invoice for the best books, and others can't buy them, which is not allowed by the financial system. The above reply is for your reference. An old librarian.