1. Audit and review of financial statements

      2. Verification and audit of paid-in capital

      3. Financial due diligence, M&A audit

      4. Bond issuance audit

      5. Audit of financial statements prepared in accordance with IFRS or US GAAP

      6. Internal control system review

      7. Foreign exchange income and expenditure statement review

      8. Financial engineering budget and final account review

      9. Various special purpose audits (High-tech Enterprise Certification, enterprise division, merger, liquidation, internal audit, etc.)