There is a good documentary series that shows different trades from East Asia. And there is an episode about kintsugi: https://youtu.be/CUxAfpHc7Jo
The two seasons are worth a watch if you like this kind of documentaries:
https://www.youtube.com/playlist?list=PL-qn-eiR753dIGQwqS2xs...
https://www.youtube.com/playlist?list=PL-qn-eiR753ccooonsx0U...