more detail (in english)
https://www.power-solution.net.cn/values-of-design-china-in-the-makingthe-exhibition-of-two-cooperative-products-of-power-solution-at-the-sixth-stop-bargaining/
https://www.youtube.com/watch?v=r2zZXTQVisQ
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I found a YouTube link in your post. Here are links to the same video on alternative frontends that protect your privacy:
