RK3288 from Rockchip is in several of the Chromebooks that are currently on the market, including Chromebook Flip and the ASUS Chromebit.
They perform quite well there if I may say so, when a proper amount of effort has been put into the software running on them.
The chips from Chinese manufacturers aren't really better or worse than most of the others out there, it's just that they often take shortcuts on the software side -- or rather, in particular the low-cost system OEM/ODMs do.