China has become the biggest donor of aid to Africa- read more about the background in this interesting article from the Conversation.
Traditionally OECD countries have been the biggest donors. The OECD website has data on this and some discussion and data on the role increasing played by China
China Aid data website is monitoring from AidData has developments and has visualizations.Search by projects
The China Africa initiative from Johns Hopkins University was established in 2014. and colects information on investment, aid and chinese involvement in all sectors.
other sources of reports on the role of China include:
China Development Bank - which has some information in English
African Development Bank also has some earlier papers on the aid effectiveness