Quick translation:

144H visa for Shanghai, Jiangsu, and Zhejiang effective 1/30

Notice:
In order to build Shanghai into a technology center, as well as to create an easier international transit hub, the three jurisdictions of Shanghai, Jiangsu, and Zhejiang will offer 144H TWOV for travelers of certain nationalities, provided that they meet following criteria:

1) Permitted nationalities -- (long list includes USA, Canada, Mexico...)

2) Traveler must possess confirmed onward ticket to a third country within 144 H.

3) Valid entry/exit points -- PVG, SHA, (oceangoing ship and railway locations) ... NKG, and HGH

4) Holder of TWOV must stay within the three jurisdictions during the 144H period. They may not stay longer than 144H, nor travel outside the three above jurisdictions.

The above is effective Jan 30, 2016

* * *

The rules above do not stipulate what constitutes a stay, a stopover, or how to determine the ultimate destination. As long as the onward ticket is for a third country, the traveler qualifies for TWOV.

OP is right; AA is wrong.