1. value funds: These funds focus on selecting stocks that are relatively undervalued and have growth potential. Fund managers will use a series of value investment principles to select individual stocks.

2. growth funds: These funds focus on finding stocks with rapid growth potential. Fund managers usually focus on companies with high growth expectations and good fundamentals.

3. Hybrid funds: These funds combine value-based and growth-oriented investment strategies to find stocks with both growth and value potential.

4. Science and Technology Funds: These funds mainly invest in individual stocks in the science and technology industry, including software, Internet and semiconductors. Fund managers usually look for companies with competitive advantages in technological innovation and development.