This will walk you through how to set a supplier for your products.
1. First, you will need to setup your suppliers by navigating to Administration -> Suppliers.
2. Once your suppliers are setup, navigate to Inventory -> Inventory management.
3. Click into the products by using the binoculars icon.
4. Scroll down and choose 'Supplier Information'.
5. Here is where you can define your supplier information for each product.