• Be overall window contact to customers and supplier with regard to supply chain issues • Customer demand planning according to standard planning process, responsible for the accuracy of short-term and long-term rolling forecast planning • To make production planning for finish products based on Customer order planning • To balance production capacity and customer Demand • System data maintenance to ensure the reliability of relevant information in SAP system • Daily monitoring of production output • Daily monitoring of supplier delivery • Daily monitoring of delivery to customer, and customer fluctuation control • Inventory control and deadstock avoidance • Regular internal report base on requirement • CIP projects for LOP • LOP dashboard • LOP digital related duties • Take on other duties assigned by superior