CGTN published this video item, entitled “How are brush pens made traditionally?” – below is their description.
For more:
https://news.cgtn.com/news/2022-09-21/How-are-brush-pens-made-traditionally–1dv7RdwTY6Q/index.html
Brush pens have been used and manufactured in China for a very long time. Rui (sharpness), Qi (uniformity), Yuan (smoothness), and Jian (flexibility) – these are the criteria for a good brush pen and the guidelines for making one.
CGTN YouTube Channel
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