You need an embassy visa for Mainland China if you have a Kenyan passport
Visa options for Mainland China
Visitor visa
Travelers need a visa to visit China for Business or Tourism. A paper or embassy visa is the only visa available for travelers visiting China. The visa is typically a stamp or sticker added to the passport. Travelers must obtain this visa from a local embassy, consulate or visa center before traveling. Visit the government website to check for complete instructions.
This is not offered by sherpa°.
Apply on the government site.