According to the China Internet Information Center, the State Post Bureau confirmed that, starting on November 1, a real-name system is required for sending express mail. This means that the sender is required to provide his or her name and the personal identification number that matches the ID card when filling out the paperwork to send something by express mail. The article said that, at the moment, the post office is not required to verify the information and the recipient is not required to provide an ID.
Source: China Internet Information Center, October 26, 2015
http://cppcc.china.com.cn/2015-10/26/content_36887416.htm