Yes, Turkey citizens are required visa to enter mainland China. but they enjoy 90 days visa free to Hong Kong and 30 days visa free to Macao as tourists.
1. A passport valid for more than six months before expiration and at least one blank page in it.
2. One complete application form with one recent passport-size photograph.
3. Copy of information pages of the passport.
Normal processing time for a visa is a minimum of four business days after the date of application.