I am looking tovgo into distributorship of diapers in Nigeria but I am unsure of the market so I need your help to answer the below questions:

i. What brand of diapers products sell fast in Nigeria?
ii. What sizes are most common in demand?

iii. What are the different types of diapers and different types of health care products that are in demand in Nigeria?
iv. What is the market price which end user customer buys each type?
v. What is the wholesale price which sellers buy from the distributors in order to sell to the end user customer?
vi. How easy is it to fine wholesale buyers (in Nigeria) for the products and where (state, market location) are they most located?

In a nut shell I am looking to find out the potential of sales of diapers in Nigeria given the competitions in the Nigerian market going on. Your responses will be appreciated.
Thank you.