Explanation:

Value delivery network is a part of supply chain of a company and includes all its direct participants involved in production, distribution, marketing, customer service, etc. for given geographical area.

It a chain of system where after each system more a more value is added to the product or services thereby increasing its overall value for the customer.

Each system is partnering with other system to provide better value to the customer. Production system uses feedback sales history to produce the right product in required quantity. The value created through such partnering depends upon the quality of relationship between the systems.