Join Date: Feb 2013
Location: Irvine CA & PEK
Programs: Hyatt Globalist, Marriott Titanium, Hilton Diamond, IHG Spire Ambassador, Qantas Platinum, United S
Posts: 664
In my experience, Discover cards work on every UnionPay terminal. It's just that Discover's anti fraud system treats Chinese transaction so vigilantly. Merchant would just say your card is not accepted when errors come up.
Log in, confirm, and swipe again.