1 and 5G funds: these funds mainly invest in companies in the fields of 5G communication equipment, network construction and terminal equipment, such as China-Europe electronic information industry (0046 16) and Tian Hong CSI Electronic Index (00 16 17).

2. Domestic chip theme funds: These funds mainly invest in domestic chip design, manufacturing, packaging and testing companies, such as Huaxia Chip ETF Connection (005827) and Guangfa Chip ETF Connection (005828).

3. Electronic information funds: These funds mainly invest in companies in the fields of electronic information technology, software development and Internet application, such as Golden Eagle Information Industry Stock (003853) and Guangfa Information Technology Link (000942).

4. Cloud service funds: These funds mainly invest in companies in the fields of cloud computing, big data and artificial intelligence, such as E Fund science and technology innovation board ETF Link (007874) and Harvest science and technology innovation board ETF Link (007875).