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what Is a Supply Chain?
The components of a supply chain include producers, vendors, warehouses, transportation companies, distribution centers, and retailers.
Links on the chain begin with the producers of the raw materials and end when the van delivers the finished product to the end user.A supply chain is a network of individuals and companies who are involved in creating a product and delivering it to the consumer.
Companies seek to improve their supply chains so they can reduce their costs and remain competitive.
Effective supply chain management results in lower costs and a faster production cycle.

understanding the Supply Chain
A supply chain includes every step that is involved in getting a finished product or service to the customer.

the entities involved in the supply chain include producers, vendors, warehouses, transportation companies, distribution centers, and retailers.Thus, its essential functions include product development, marketing, operations, distribution networks, finance, and customer service.When supply chain management is effective, it can lower a company's overall costs and boost its profitability.

what Are the Main Supply Chain Models?
Flexible Model: Companies that manufacture seasonal or holiday merchandise often use the flexible model.
In a continuous flow model, managers will need to regularly replenish raw materials in order to prevent production bottlenecks.
In order to be profitable, they must be accurate in forecasting their need for raw materials, inventory, and labor.
Here are a few examples:

Continuous Flow Model: This traditional supply chain model works well for companies that produce the same products with little variation.
This lack of fluctuation means managers can streamline production times and keep tight control over inventory.
Businesses that use this model need to get their products to market quickly to take advantage of the prevailing trend.
The flexible model ensures they are able to gear up quickly to begin production and shut down efficiently as soon as demand tapers off.
They need to rapidly move from idea to prototype to production to consumer.
These companies experience surges in demand for their products followed by long periods of little to no demand.
The model a company selects will depend on how the company is structured and what its specific needs are.
The products should be in high demand and require little to no redesign.Many types of supply chain models are available.