ヤマトのお問い合わせシステム is a Chrome add-on that provides a convenient way for EC site owners to track their packages. This app allows users to perform bulk searches of package numbers, making it easier to keep track of shipments. With this tool, EC site owners can quickly and efficiently monitor the status of their packages without the need to manually search for each individual tracking number.

The app is specifically designed for EC site owners, providing them with a streamlined solution for managing their shipments. By using ヤマトのお問い合わせシステム, users can save time and effort by accessing all their package information in one place. This add-on is a valuable tool for those who rely on Yamato Transport for their shipping needs.