The structural model of supply chain is divided into

Today, with the shortening of product life cycle, increasingly complex cooperation among enterprises and stricter customer requirements, raw material suppliers, product manufacturers and distributors are organized to form a supply-production-sales chain, which we call supply chain. In fact, there are often multiple suppliers and distributors in the supply chain.

Suppliers, manufacturers and distributors depend on each other in strategy, tasks, resources and capabilities, forming a more complex supply-production-sales network, which is the supply chain network.

From the relationship between supply chain network and supply chain, supply chain network is composed of several supply chains, which can cover all countries and regions in the world.