Originally Posted by SuperG1955

If you're trying to maximize MQM, the number of segments really doesn't matter, the routing does.
PVG may not be the best destination since you'll have to add visa costs (unless you already have one) or take a more expensive routing to qualify for a transit visa.

Check out the longstanding SFO - SIN 25K MQM. in the MD Deals Forum

Take a look at the MR forum and do a positioning flight (using miles) from YUL.