Communicate with debtors through phone calls, letters, external visits, etc., and urge debtors to repay their debts in a timely manner. Account collection companies mainly carry out account collection activities for clients or institutions such as banks, financial companies or credit card companies. Company employees work overtime to communicate with debtors through phone calls, letters, external visits, etc., and urge debtors to repay their debts in a timely manner. Overtime refers to extended working hours on normal working days or extended working hours during weekends and national statutory holidays, in addition to legal or nationally prescribed working hours.