1. Close work with Sales and Marketing team to manage demand forecast by promotion plan and sales activities.2. Manage sales trend for finding out the sales over/slow reason to help marketing/sales department to achieve sales target.3. Manage orders to full fill demand in target sales period.4. Manage material flow with intercompanies and outside manufactories.5. Tracking of product quality, stock level, shipping schedule and transport costs.6. Manage inventory level to ensure the cash flow healty.