The Amurian microplate (or Amur microplate; also occasionally referred to as the China Plate, not to be confused with the South China Subplate) is a minor tectonic plate in the northern and eastern hemispheres.
https://github.com/davepinch/pinchy.cc/blob/master/content/topics/places/techtonic-plates/amurian-microplate/en.wikipedia.org.md