Such a thing does not exist, and it is probably the result of a confusion between two different Chinese designations.
Over the years the battalion was known by a number of different designations:
The group of "student" donors who collectively gave $200,000 to Clinton used different designations when contributing an additional $100,000 to him and others.
Germany has competed under five different designations, including as two separate teams at several Games.
Traditionally, various regions have different designations where national symbols are concerned.
US 9 has had 19 suffixed routes bearing 17 different designations.
The different designations reflect the complexity of the event and the site.
Multiple classification systems exist, with different designations for the various classes of fire.
This units have different designations, but very similar characteristics.
The different designations represent two different streams rather than levels.