To be clear yang chia and feima grinders are a totally different class. They are 60mm burrs which are closer to the flat burr style and not crushing style. Sweet Marie's review was the feiman yangchia class of grinders. Those grinders are typically under powered and full of retention and full of fines.
If you are looking at specifically Fuji clone / Apex burrs this would be it SG$ 194.15 12%OFF | Xeoleo Electric Coffee grinder Flat Wheel Burr grinder Coffee miller Superhard ghost tooth cutter Coffee milling machine 10 step
The above is 74mm burr size, the motor is powerful enough and grinds any beans without any problem.
Grinders are one of the keys to exceptional espresso. Discuss them here.