Decent review.
I recently ordered a different Chinese set and am waiting for them to be delivered.
Note there is a video on youtube of a guy on his GSXR, whose Chinese brake lever fails and locks up the wheel, resulting in him sliding off onto the motorway.
Search " Motorcycle Crash Due To Chinese Brake Lever ".
The failure could very well have been due to a number of reasons (including improper fitting/even rider error). We will never really know.
But it would be worth checking the part he talks about, to ensure its in place correctly, just to be on the safe side.