There are three main ways to monetize your app: subscriptions, in-app purchases, and in-app ads. In addition to integrating with such Chinese payment systems like WeChat and AliPay, you will also have to register a business bank account in China. To do this, you will need to submit:
a business license, tax registration certificates, and articles of association
the name of your company’s CEO and a company stamp
proof of identification for legal representatives of the company
details of the business structure and ownership.