I have tried my best to sequentially depict the high level process flow of entire Supply Chain process in the following process flow diagrams which is self explanatory and describes the processes and their sequence right from your suppliers to your customers. Also you may want to download a more detailed Supply Chain process flow from this download link:
Internal Collaboration between Sales & Operation (S&OP) Planning:
Sales & Operation Planning (S&OP) Process flow:
Four main functions of MRP:
Role of MRP in Procurement type determination:
S&OP-MPS-MRP-DRP Integration:
Sales & Distribution process flow:
