Establishing Methodology for Integrating Decision Making in Internal Supply Chain

  • Sawsan Sabeeh Al-Zubaidy Department of Production Engineering, Metallurgy-University Of Technology
  • Watheq Hayawi Laith College of Administration, Economics -University Of Sumer
  • Mahmoud Abbas Mahmoud Department of Production Engineering, Metallurgy-University Of Technology
Keywords: Customer's Demand, Marketing Department, Order Quantity, Sequence of Product's Problems


Hard competition have forced  companies for seeking how to integrate decisions through supply chain functions, functional integration involving decisions about purchasing, manufacturing, and distribution activities within the company, also among the company and its suppliers and customers. The work  in this methodology  mainly aims to integrate decision making in internal supply chain to meet the demands of customers within  industrial environments. The proposed methodology was divided into three sub-methodologies. The first sub-methodology focused on forecasting customers' demands in the marketing department, which are used in the planning process within the company. The second sub-methodology focused on the best order quantity from the suppliers, which reduces the total cost, which composed from holding, purchase and transportation costs. Finally, sub-methodology focused on the sequence of the demands products specified by the marketing department and finding the best sequence of products based on setup time for production lines in the production department.