Please see Amnesty International’s report on torture and forced confessions in China and the executive summary in Chinese.
https://www.amnesty.org/en/documents/asa17/2730/2015/en/
And the executive summary in Chinese here: https://www.amnesty.org/en/documents/asa17/2731/2015/zh/
And here is the link to the press release: https://www.amnesty.org/en/latest/news/2015/11/china-torture-forced-confession/
And there is also a blog: https://www.amnesty.org/en/latest/campaigns/2015/11/torture-in-china-who-what-why-and-how/
