On March 3, Taobao, a popular Chinese online merchant platform which the Alibaba Group founded and which is similar to Amazon , released a notice about a new rule for online customers. The rule prohibits the sale or purchase of foreign publications through the Taobao platform. The provisions will be effective on March 10, 2017. The notice shows that all publications outside the mainland are regarded as foreign publications, including those from Hong Kong, Macao, Taiwan, and other overseas regions. In addition, those sellers who have licenses for publication businesses cannot post any advertising related to the sale or purchase of overseas publications.
Source: Sohu, March 5, 2017