Even if a foreign website complies with all of arbitrary rules in China, the government will ban them with no warning and explanation. Sometimes they get restored, but the damage is already done. Even Apple is not immune and ITunes got shut down in China.
https://www.theverge.com/2019/1/23/18195200/microsoft-bing-s...
https://en.wikipedia.org/wiki/Censorship_of_the_iTunes_Store