You can distribute your application in all the app stores (Apple, Google, and Huawei), with no additional steps required.
You must submit your app with a different process for different app stores.
Apple App Store:
You need to set up an option in the App Store -> App Information, for more details check this article: https://www.appinchina.co/blog/update-apples-new-requirements-for-games-on-the-apple-app-store-china/
Huawei App Gallery
You have to select Chinese mainland in the Huawei console and follow the steps mentioned in: https://developer.huawei.com/consumer/en/doc/development/HMSCore-Guides/huawei-iap-coverage-0000001050438753
Google Play Store
Is not available in China