jame from nigeria to istanbul for business

James, you need to provide your valid passport, a copy of the passport, a filled application form with your recent bare-headed photo stuck on it, the original and photocopy of your stay permit in Turkey, an invitation letter from your trade partner in China, a cover letter from your company, and a photocopy of your company's business license. Maybe you will also be required to submit a financial standing proof and an invitation letter from a duly authorized unit in PRC.