According to a news conference recently held by the epidemic prevention and control headquarters of Liaoning Province, the return rate of industrial enterprises in Liaoning Province is 86.4%. Among them, the petrochemical industry enterprises return to work rate is more than 80%. Equipment manufacturing, petrochemical and metallurgical industries all have a return to work rate of more than 80%. Hengli refining, Dalian Petrochemical, Fushun Petrochemical and other large refining enterprises in the province maintained continuous production during the epidemic.