Chinese books and foreign books are divided into two categories in use. The contents of ordinary books and reference books are divided into novels, children's books, non-fiction works, professional books, reference books, brochures, books, manuscripts, reports, periodicals, books and photo albums. : book thread-bound books, hardcover books, paperback books, bagged books, e-books, audio books, books for the blind, national language terms, etc. These are not used in other industries of book publishing. Books are divided into social science books and natural science books.
According to genre. China books and foreign books. There must be information spread. There should be text and graphic signals to record knowledge. There should be a material carrier for recording text and image signals. The production technology and craft of books are also the basic conditions of books. The operating benefit of China book industry is relatively stable, with gross profit margin 15%- 16% and sales profit margin 12%- 14%. However, compared with other industries, the return on investment in this industry is not ideal. The industry return on total assets is less than 6%, and the return on net assets is less than 8%. Fortunately, these two indicators are on the rise.
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