A fire broke out on Thursday at a chemical plant owned by state oil major PetroChina(PCCYF) in Dalian, in northeast China's Liaoning Province, state news agency Xinhua reported.
The fire broke out around 6:40 p.m. (1040 GMT), it said. Huge flames and billowing smoke were seen at the spot.
No casualties have been reported so far, Xinhua said.