Main Responsibilities: - Manage and continuously review PR/MRP system, to ensure order is accurate, up to date and consistently meets the requirements of the production and specification; - Closely work with supplier/Commodity team for materials expediting and shortage issue. - Maintain appropriate inventory levels consistent with targeted inventory goals and as set by management.？ - Timely and effective communication of forecasts and purchase orders to suppliers; - Participate in supplier selection and select supplier according to strategic plan - Assist with regular re-negotiations of terms of business/service agreements and performance evaluation with suppliers, taking corrective action as required. - Reconcile discrepancies between PO receipts and Accounts Payable - Monitor and evaluate suppliers based on quality, delivery, price of goods and overall vendor performance according to the company target - Process non-conforming material requests and RMA requests with suppliers/SQE team. - Management of Key Performance Indicators (KPIs)including OTD, PPV and DSI etc.; -