My first stop was Baidu.com, China's best search engine site. If you want to find something in Chinese don't waste time with Google (even in English I use Yahoo!)--go right to Baidu. I did a number of searches on likely terms, such as "桌上角色扮演游戏" ( table-top roleplaying game). Alas, the only real mention anywhere of RPGs concerned computer or video RPGs. Even Pathfinder only showed up as Pathfinder Online (开拓者OL), which apparently is getting a lot of buzz there. The English version of the Pathfinder core rule book is for sale on at least one Chinese book seller web site, but that appeared to be the full extent of its popularity.
I was also interested to see if China had any home-grown TTRPGs. Alas, there too I was disappointed. The only Chinese non-computer/video RPG appeared to be a card game called "Three Kingdoms Kill" (三国杀). So, I very much suspect that currently the great majority of people playing TTRPGs in China are probably foreigners who brought the hobby with them.