There are a lot of good reports and investigations about forced labour in China across the web (as well as here on Lemmy). Those who also like watching documentaries may like
China: The Repressive Economic Giant
As China's influence continues to expand around the world, at home the regime is becoming more repressive. A UN report has denounced crimes against humanity against the Uyghurs and the international community has criticised its bullying stance towards Taiwan. Reports and analysis of the Middle Kingdom.
Addition for a warning: some of the documentaries contain content that may distress users.