Chuwi has started selling a new version of the HiPad Air, a 10.3-inch tablet that supports a detachable keyboard. The HiPad Air continues to cost less than US$200 too, and is orderable globally.
https://www.notebookcheck.net/Chuwi-HiPad-Air-refreshed-as-1200p-display-and-Unisoc-T618-SoC-remain.609334.0.html