The audit office is responsible for assessing the effectiveness of the internal control system and measuring the efficiency of operations, providing timely recommendations for improvement to ensure the continued and effective implementation of the internal control system and assisting the Board and management to fulfil their responsibilities. The audit office organization is under the board of directors, and the organization chart is prepared, and the supervisor and the commissioner under its jurisdiction are set up. The office is an independent full-time internal audit, carry out regular and irregular business audit, financial audit and other work, in order to truly assess the integrity, rationality and effectiveness of internal control system compliance.