The customs officer of the Shanghai Post Office seized four books containing "problem maps" when inspecting entry emails.

According to China News Service, the Shanghai Post Office Customs revealed on Tuesday (April 11) that in the above emails, some books were drawn errors to the map of Chinese maps, which harmed China's sovereignty and territorial integrity, and violated "one China".in principle.

At present, the customs has been detained for the "Map of Questions" seized.

The customs of the Shanghai Post Office said that the printing and publications that do not meet the content of the content management of China's public map content are prohibited from printing and import and export.Related maps or map products production and import and export business enterprises shall strictly abide by laws and regulations, and carry out relevant business activities in accordance with the law.