Administrative Officer

Collect payment deposits, update billing records, and solve invoice errors while processing final billings. Investigate credit standing for new clients, arrange payment terms, and determine credit amounts. Make and follow up quotations and invoices for units, then summarize pending items into daily, weekly, and monthly reports. Manage accounts receivable by following up daily and submit tickets to A/S for PDI. Respond to revenue and expenses at the workshop, handle customer complaints, and refer issues to the appropriate departments.