A huge fire that broke out after the explosion has been extinguished and the wounded were admitted to the hospital, state-run CGTN-TV reported The cause of the accident is being investigated.
This is the second such explosion in a week.
On October 21, four people were killed and 47 others injured in a gas explosion at a restaurant in Shenyang, the capital of north-eastern China's Liaoning province.
Video footage shared online shows the massive destruction of a three-story building, with debris littered across the area and nearby buildings affected. Cars parked near the restaurant were also damaged.