Briefly introduce the form and time of quarterly, semi-annual and annual reports of listed companies.

Quarterly report refers to the accounting statements prepared every quarter, including balance sheet, income statement and list of VAT payable. Generally, it should be reported within 15 days after the end of the quarter.

Semi-annual report refers to the semi-annual accounting statements, including balance sheet, income statement, VAT payable list and cash flow statement. Generally, it should be reported within 60 days after the end of the year.

The annual report, also known as the final statement, is an annual accounting statement. There are balance sheets, income statements, cash flow statements and related schedules (list of assets impairment reserves, list of changes in shareholders' equity, list of value-added tax payable, profit distribution table, etc.). ). It shall be declared within 4 months after the end of the year.