Legal basis: Article 20 of the Administrative Measures for Information Disclosure of Listed Companies shall be completed and disclosed within 4 months after the end of each fiscal year, 2 months after the end of the first half of each fiscal year, and 65,438+0 months after the end of the third and ninth months of each fiscal year. The disclosure time of the quarterly report of the first quarter shall not be earlier than the disclosure time of the annual report of the previous year.