Cheap business class flights to Xi'an, China with 2 free stopovers such as Guangzhou. Looking at the Google Flights Price Graph(google.com), normal flight prices are from $3500-$4300 so this is very good value. Book through Gotogate/BYOJet/Aunt Betty or book directly for $1,915 at China Southern's website.
Skyscanner(skyscanner.co.nz)
Business Class(csair.com)
The Points Guy Review(thepointsguy.com)
Ticket by July 30, 2024. Depart now through the end of the month (July 2024). Maximum stay is a month. Two stopovers free in each direction.
AKL-CAN-XIY-CAN-AKL
13174 Miles / $1145 USD Roundtrip
8.6914 cents USD per Mile Flown
via Flyer Talk(flyertalk.com)
Pretty sure you've got the AUD price in the title, vs the NZ price of $1915 on flyertalk etc? Could be wrong, but none of your links show it in the $1700s…