1. Adding to a purchase order means adding a certain product to your own purchase order for bulk purchase.

2. In Alibaba, the reason for adding to a purchase order is to facilitate buyers to make bulk purchases, and at the same time, they can enjoy more favorable prices and services.

3. After adding to a purchase order, buyers can filter, compare and modify the products in the purchase order to meet their needs. In addition, the purchase order can also save multiple versions, which is convenient for buyers to compare and choose.