快邮通 is a Chrome add-on developed by sailingqy. It is a tool designed to improve the efficiency of small to medium-sized sellers on independent cross-border e-commerce platforms when replying to customer emails.

快邮通 is a product of Yunshan, a company that offers a comprehensive range of services for independent cross-border e-commerce sellers, including product selection, promotion, payment, warehousing, logistics, and customer service. With 快邮通, sellers can quickly connect to the system while replying to customer emails, without the need to switch between different pages. This allows them to easily find the corresponding order and process it directly on the current page, thereby enhancing the efficiency of email replies.