Supply chains and supply networks both describe the flow and movement of materials & information, by linking organisations together to serve the end-customer.
‘Network’ describes a more complex structure, where organisations can be cross-linked and there are two-way exchanges between them; ‘chain’ describes a simpler, sequential set of links (Harland et al., 2001).
All organizations have or can purchase the components to build a supply chain network, it is the collection of physical locations, transportation vehicles and supporting systems through which the products and services your firm markets are managed and ultimately delivered. As an example the apple phones production line is situated in china but simply you can buy apple products all over the world.
Physical locations included in a Supply Chain Network can be manufacturing plants, storage warehouses, carrier cross docks, major distribution centres, ports, intermodal terminals whether owned by your company, your suppliers, your transport carrier, a third party logistics provider, a retail store or your end customer. A third party logistics provider is a firm that provides service to its customers of outsourced logistics services for part, or all of their supply chain management functions. Third party logistics providers typically specialize in integrated operation, warehousing and transportation services that can be scaled and customized to customers' needs based on market