Forty-one workers were trapped after the accident happened around 10.40 PM (local time) last night at Babao Coal Mine in Jiangyuan District of Jilin Province, said a spokesperson with the provincial work safety and supervision bureau.
The 13 injured people are out of danger, the state-run Xinhua quoted the spokesperson as saying.
He added that the rescue work has been finished and the cause of the accident is under investigation.
Wang Rulin, Party chief of the province, and Governor Bayanqolu rushed to the scene to guide the rescue team, and also visited the injured workers who were receiving treatment at hospital.