1, Tanzania: China has provided a lot of assistance and support to Tanzania, including infrastructure construction, health care, education, agriculture, energy and other fields.

2. Kenya: China's aid to Kenya focuses on infrastructure construction, agriculture, health care and education.

3. Ethiopia: China's assistance to Ethiopia mainly involves infrastructure, agriculture, health care and personnel training.

4. Republic of Zaire: The cooperation between China and the Republic of Zaire is mainly concentrated in the fields of infrastructure construction, energy, agriculture, health care and so on.

5. Mauritius: China's assistance to Mauritius mainly involves infrastructure construction, health care, education, tourism and other fields.