There are many institutions specializing in early investment in China, including seed round and angel round investment. Here are some common early-stage investment institutions:

Private equity funds: These funds focus on early investment and provide financial and strategic support for start-ups. For example, Shenqingyuan Kechuang, Sequoia Capital China, Jingwei China and Qi Ming Venture Capital.

Venture capital funds: These funds provide seed round and angel round financing for start-ups. For example, IDG Capital, Zhenge Fund and Jingwei China.

Please note that only some common early-stage investment institutions are listed above. Entrepreneurs can search online, participate in entrepreneurial activities and exchange meetings, and find investment institutions suitable for their projects.