Foreign ministry spokeswoman Hua Chunying said the video of Abdurehim Heyit issued by state media showed Turkey's statement was an "absurd lie".
He also said he had been informed of the death of famed Uighur musician and poet Abdurehim Heyit, who was serving eight years in jail over one of his songs.
Beijing faces growing global pressure over its so-called "de-radicalization" program in its far western province.
"The re-emergence of concentration camps in the 21st century and China's systematic assimilation policy toward Uighur Turks are great embarrassment for humanity", Aksoy said.
"I'm in the process of being investigated for allegedly violating the national laws", he says directly to the camera.
She said envoys and journalists from more than 10 countries were invited to visit Xinjiang's vocational education and training centers last month.
"We hope the relevant Turkish persons can distinguish between right and wrong and correct their mistakes".