I am a kenyan do I need to apply for Visa to china for tour of approx 10days? what is requirement?

Yes, you need to apply a China tourist visa for a 10 days tour. The requirements are:
a. visa application form V.2011A, please fill the form on computer, then print it out
b. your Kenyan passport or travel document
c. Financial certificate, such as bank statement.
d. the invitation letter from a China travel agency
e. if you can't provide the invitation letter, please provide the Hotel reservation, round trip air-ticket and travel itinerary.