There Is No TikTok in China, Only Douyin. Here’s What It Is.
New York Times
ByteDance owns both TikTok and Douyin, and although TikTok has more users around the world, Douyin is the company’s cash cow and a China mainstay.
https://www.nytimes.com/2024/04/25/business/china-tiktok-douyin.html