Fzltzhk--gbk1-0 [2021] -
It could be a corruption of something like:
If you can provide more context (where you saw this, what system generated it, any surrounding text), I can give a more precise and technically accurate explanation. Otherwise, the most plausible technical interpretation is: fzltzhk--gbk1-0
Could be an auto-generated filename:
This font is part of the iconic family, which was designed to provide a modern, clean, and highly readable alternative to traditional Chinese gothic (Heiti) faces. It could be a corruption of something like:
Refers to the version and the GBK encoding standard used for the character set. Verdict what system generated it