Oil production in China drop by 8%

China admits that its refiners did cut production:

http://news.xinhuanet.com/english/2017-03/16/c_136134418.htm

The question is what is the REAL purpose of its cut.

If you forex is over US$ 3 trillion, I think, it makes more sense to keep your oil under ground and buy from exporters. 

Use other's oil and save your own, I say.