Almost certainly the problem is GFW, gov throttles / blocks / interferes with most of the services that, in his opinion, compete with the Chinese business, because the quality gap is usually quite large, and the Chinese business will fight for competition.
If you go with a local CDN, remember that data protection is not great, and if you use SAAS, customers may be unhappy with the storage of their data on Chinese servers (depending on the nature of your application, of course)
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