China is not involved in any fashion.
Where does this nonsense originate?
http://www.express.co.uk/news/world/610286/China-preparing-to-team-up-with-Russia-in-Syria-Boost-for-Putin-in-battle-against-ISIS
http://www.breitbart.com/national-security/2015/09/26/world-view-chinas-military-heads-for-syria-supposedly-to-join-russia/
http://www.veteranstoday.com/2015/10/18/china-weighing-military-move-in-syria-video/
http://www.almasdarnews.com/article/chinese-military-personnel-expected-to-arrive-in-syria/