Lots of chatter 3 weeks ago, not much lately.
http://investmentwatchblog.com/china-accuses-the-u-s-of-lying-about-syria-and-says-u-s-ignoring-international-laws-china-sends-warships-to-syria-joining-russian-warships-in-mediterranean-sea/
http://www.examiner.com/article/chinese-russian-warships-and-marines-heading-to-syrian-waters
I know they sent a couple of ships for a joint exercise, but no assets in Syria.