chinese consulate office in kwara state

Pls i want to ‎no if there is any chinese consulate office in kwara state, and also ‎​am a business lady & plan to travel to china early next year on a business trip to purchase some goods, how do i ‎​go about obtaining a visa since is my first time of traveling outside nigeria & how much will it cost me including visa and ticket. ‎​​ ​thanks For your quick response