- Receive data from sales department, make statistics for each customer - Compare quantity and unit price with customers and sales department - Check customer information (name, tax code, address) accurate to make VAT invoices emailed to customers. - Make a reconciliation table of each customer's debt, send mail to customers. - Coordinate with debt accounting to make customer debt reports. - Support accounting and payment work - Other related arising operations. - Detailed jobs will be discussed directly during the interview