Enterprise-wide optimization (EWO) is a new emerging area that becoming a major goal in process industry. EWO involves optimizing the operations of supply, manufacturing and distribution activities of a company to reduce costs and inventories. With this knowledge, our purpose in system development is to create a system that has ability to integrate and optimize the operation and business process, so the company will be more competitive in the global marketplace. We plan to build integrated enterprise application step-by-step with our partner.