What does CH21 stand for?
CH21 stands for "Ningxia Autonomous Region"
How to abbreviate "Ningxia Autonomous Region"?
"Ningxia Autonomous Region" can be abbreviated as CH21
What is the meaning of CH21 abbreviation?
The meaning of CH21 abbreviation is "Ningxia Autonomous Region"
What does CH21 mean?
CH21 as abbreviation means "Ningxia Autonomous Region"
