My name is Davis a Cameroonian student , studying and Living in Thailand

Since you are a student in Thailand, you are possible to apply a Tourist L in Thailand.
In general, you need to provide your valid passport, an application form with a recent taken photo, your round trip tickets to China, hotel bookings, your bank statement, your study permit in Thailand. Besides, you may still need to consult the embassy for ask whether they have other requirements.

Then you need to take all these documents to the local Chinese embassy/consult for application.