https://techcrunch.com/2020/07/08/what-indias-tiktok-ban-means-for-china/

For more than a decade, China has limited how foreign tech firms that operate inside its borders do business. The world’s largest internet market has used its Great Firewall to block Facebook, Twitter, Google and other services in the name of preserving its cyber sovereignty.

The walled-garden approach has helped homegrown giants like Tencent and Alibaba Group win the local market, while giving the Chinese government a better hold on what gets communicated on these platforms. China has even suggested that other nations deploy similar measures.