Only legal publications can be listed for sale.
Printed, audio-visual products such as internal reference materials and publicity materials that do not violate China's current laws and regulations may be copied and distributed within a fixed scope, but they may not be sold in the market.
If your own printed books do not belong to the above-mentioned "internal reference materials" or "publicity materials", but reprint other legal publications, you are already suspected of "printing infringing and pirated books", and if you resell them, it will aggravate the crime.
If you don't print "internal reference materials" or "promotional materials" or the existing "legal publications"; You are suspected of "printing illegal publications".
Pack your bags and ask questions.
Write it yourself, don't sell it, it's your own private trading bank.
That's ok, but you must be clear: because it has not been audited by the press and publication department, you have to bear full legal responsibility for the content and spread of the work.