Where are the state-owned enterprises in Daqing?

The state-owned enterprises in Daqing are: China Oil and Gas Company, Daqing Petrochemical Company, Blue Star Group, Daqing Oilfield Co., Ltd., Daqing Petroleum Administration Bureau (including Construction Group, Electric Power Group, Property Group, General Hospital Group, Kunlun Group, Cultural Group, Water Supply Company, Gas Company, Communication Company, Bus Company, etc.). )