Article Summary:
This article outlines the standard transfer order (TO) process used when inventory components are sent to a co-packer for assembly and then distributed to fulfillment warehouses. It covers each step from purchasing raw components to shipping finished goods, providing a clear view of how inventory flows through the supply chain. This process is commonly used in operations where multiple suppliers deliver parts that are combined into a final product before distribution.
Below is a flowchart and Process Steps of a typical Transfer Order SOP in Supply Chain.

Process Steps:
- Purchase Orders to Suppliers
- A PO is written to Supplier A
- A PO is written to Supplier B
- Inventory Received at Co-Packer
- Both components from Supplier A and B are shipped to and received at the Co-Packer.
- Assembly Order Created
- Once all components are received, an Assembly (Manufacturring) Order is created and completed.
- The Co-Packer assembles the final product using the received components.
- Transfer Order to Fulfillment Warehouse
- After assembly is complete, a Transfer Order (TO) is generated to move finished goods from the Co-Packer to the Fulfillment Warehouse.
- Shipments to Fulfillment Warehouses
- The inventory is then shipped from the Co-Packer to one or more fulfillment warehouses, such as:
- Warehouse 1
- Warehouse 2
- The inventory is then shipped from the Co-Packer to one or more fulfillment warehouses, such as: