1, Liaohe Oilfield Branch of China Oil and Gas Co., Ltd., enterprise type: state-owned enterprise. Scope: Oil and gas exploitation, production and sales.
2. North Huajin Chemical Industry Group Co., Ltd., enterprise type: state-owned enterprise. Scope: Oil and gas exploitation, production and sales.
3. Panjin North Asphalt Co., Ltd., enterprise type: state-owned enterprise. Scope: Oil and gas exploitation, production and sales.