The Lenovo Z5 Pro GT is the first phone to be released with the 2019 flagship Snapdragon 855 chipset. It had its first general release today (January 29) in China. The OEM claims that it took only 32 seconds for the Z5 Pro GT to sell out online.
https://www.notebookcheck.net/Lenovo-claims-that-the-Z5-Pro-GT-took-only-32-seconds-to-sell-out.401661.0.html