The Shanghai Stock Exchange introduces the main board "light asset, high R&D investment" certification standard.

Shanghai Stock Exchange revised and issued the "Shanghai Stock Exchange Issuance and Listing Review Rules Applicable Guidelines No. 6 - Standards for Recognition of Light Asset and High Research and Development Input", mainly adding the recognition standards for "light assets and high research and development input" for the Main Board market, while the standards for the Science and Technology Innovation Board remain unchanged. Among them, the recognition standard for "light assets" of Main Board listed companies in the Shanghai market is that the proportion of physical assets to total assets is not higher than 20%; The recognition standard for "high research and development input" is that the average research and development input in the most recent three years accounts for no less than 15% of the operating income, or the cumulative research and development input in the most recent three years is not less than 3 billion yuan and the average research and development input accounts for no less than 5% of the operating income.