Alipay is the most popular payment gateway used in China. It has over 700 million users. With the help of this plugin, you can accept payments from residents and businesses inside Mainland China. It provides access to a massive potential customer base. You just need to enter your Alipay “Partner ID” and “Security Code” and you are ready to go.
This is the EXACT same plugin as distributed by the developer on WooCommerce. The developers’ links are provided above.