Huawei is likely one of the companies that contributed to this very Xinjiang endeavour [0].
Even if it's not directly related, by buying a Huawei phone, you are voting with your money to support a company that's been hurting innovation with IP theft through the years [1].
[0] https://www.forbes.com/sites/zakdoffman/2019/05/25/huawei-ac...
[1] https://www.wsj.com/articles/huaweis-yearslong-rise-is-litte...