Wow, I had no idea Ant Financial was not part of Alibaba's main entity. Where can I learn more about this? I've done some work in China (even integrated Alipay/

Wow, I had no idea Ant Financial was not part of Alibaba's main entity. Where can I learn more about this? I've done some work in China (even integrated Alipay/WeChat pay into an app) but had no idea this happened.