Here's an overview of how Alipay works in relation to China Payments Plugin.
Alipay is one of the most widely used payment methods in China. Accepting Alipay on your website can expose your business to a huge number of potential customers by offering them a trusted payment method.
Why Stripe + Alipay?
Stripe has created a partnership with Alipay that allows you or your business to accept international (cross-border) payments from Chinese consumers.