Apparently they are good enough for honing, and the lighting is good, which is a main priority.

I've ordered several things from China via aliexpress.com and they all reached their destination! That is, usually at the neighbour's, because I wasn't at home when the mailman arrived. Quality isn't always as good, but you can't beat the prices. I got silvertip knots, Gold Dollars, tools for my bike, buffing wheels and DE blades.