The first paragraph says it all.

“As US President Barack Obama welcomed Chinese President Xi Jinping to the White House on Friday, Sept. 25, and spoke of the friendship between the two countries, the Chinese aircraft carrier Liaoning-CV-16 docked at the Syrian port of Tartus, accompanied by a guided missile cruiser. This is revealed exclusively by DEBKAfile.”

http://www.debka.com/article/24909/A-Chinese-aircraft-carrier-docks-at-Tartus-to-support-Russian-Iranian-military-buildup-