Somali passport holder wanting to visit china on a SHORT-TERM PRIVATE AFFAIRS(VISA S2)

Mustafa, the required documents are: your passport and a copy of the inside used pages, a duly filled-out application form attached with a recent color bare-headed photo, an invitation letter from your daughter and a copy of her residence permit there, the original and photocopy of your entry permit in Saudi Arabia, and your daughter's birth certificate.

After you collect all these documents, go to one of the three places desginated by the embassy to submit the application.
The three places are:
Foreign Affairs and Business Office
Chinese Competitive Spirit Co., for Visa Service
Alsandross International Est.