1. Technology ETF: Technology ETFs usually include company stocks related to IT equipment. For example, the index fund QQ tracked by Nasdaq 100 index.

2.IT industry funds: These funds mainly invest in various companies in the IT industry, including computer hardware, software, Internet and e-commerce. For example, SOXX, an index fund tracked by Philadelphia Semiconductor Index.

3. Emerging market technology funds: These funds invest in IT companies in emerging markets, including IT equipment manufacturers. For example, E Fund CSI Information Technology ETF( 159995).