Use Chinese CDN and reverse proxy technology to let clients in China get quick access to your shop.
Alipay is the payment method that must be supported to develop the maket in China.
An Anker-alike site choose dialog, allow shop owners define redirection rules, say force china visitors goes to another site etc.
China Shipping allow shopify merchants in china to quick print waybills for EUB, SF etc. as well as quickly fullfillment