2. Supply chain refers to a functional network chain structure around the core enterprises, starting with supporting parts, manufacturing intermediate products and final products, and finally delivering the products to consumers through the sales network, connecting suppliers, manufacturers, distributors and end users into a whole.
3. The management concept of supply chain management is to seek the overall optimization of supply chain from the perspective of consumers and integrate all activities through cooperation among enterprises.
4. Supply chain is a system including suppliers, manufacturers, transporters, retailers and customers.