​China's second aircraft carrier probably won't be ready for action until 2020.​

 China's first home-built aircraft carrier is nearing completion. Satellite photographs indicate most major construction is complete, though much remains to be done and the carrier probably won't be operational until 2020 at the earliest.

http://www.popularmechanics.com/military/navy-ships/a22433/china-first-homebuilt-aircraft-carrier/