So long as air power will play a significant part in warfare platforms to bring airpower where ever needed too will play a part.
If we are talking about a potential South China Sea conflict, then it's all in range of Chinese planes flying off Hainan.
If we are talking more broadly, then I think you'll find that the Chinese idea of world power does not involve force projection the way the US understands it.
[0] https://en.wikipedia.org/wiki/Aircraft_carrier#China
[1] https://en.wikipedia.org/wiki/Chinese_aircraft_carrier_Liaon...
One would note that India spent $2.3 Billion on INS Vikramaditya[1], which was also an ex-Soviet aircraft carrier, of roughly similar vintage. It was fitted out though, so the comparison isn't entirely fair.
Nevertheless.. $20M vs $2.3B