1 purchase and procure raw materials for production issue purchase order & issue kitting list 2 cost deduction 3 controls inventory levels by conducting physical counts reconciling with data storage system 4 completes warehouse operational requirement by scheduling and assigning employees follow on work result 5 coordinate with boi and other parties in related with works or issues 6 report result of work to manager 7 maintain staff job result by coaching disciplining employees planning monitoring etc 8 sourcing negotiating cost including selection and assessment suppliers