Depends on how you label factions, if you mean a political entity or alliance that people identify themselves with, then no they aren't. (Such factionalism in CPC's eyes is just another 朋党乱政)If you mean a group of officials who were personally acquainted due to their previous common work experience or similar ancestry, then yes. (But politically they mean almost nothing and guaranteed nothing, thus why I suggest to basically ignore them.)
Lol you are being naive. There is a saying in China: 有人的地方就是江湖。Dwell on that for a moment.
BTW we have gone way off topic here.