Panjin City, located in the northeast of Liaodong Peninsula in Liaoning Province, China, is one of the important petrochemical bases in China. Panjin has several petrochemical enterprises under its jurisdiction, including but not limited to the following enterprises:

1. China Petrochemical Co., Ltd.: It is a major petrochemical enterprise in Panjin. It is a joint venture project between PetroChina and Shell, mainly producing petrochemical products such as polyethylene, polypropylene and polybutene.

2. China Petrochemical Liaohe Petrochemical Company: It is a large-scale petrochemical company under China Petrochemical Group, which mainly produces petrochemical products, including ethylene, propylene and polyvinyl chloride.

3. China Petroleum Panjin Petrochemical Company is a petrochemical company under China Petroleum Group, which mainly produces petrochemical products such as ethylene, propylene and styrene.

These enterprises have an important position and contribution in Panjin's economic development and employment creation. At the same time, due to the particularity of petrochemical industry, these enterprises should also bear certain environmental protection and safety production responsibilities to ensure safe and environmentally friendly production. This is only a part of it. Other small and medium-sized petrochemical enterprises also have factories or branches in Panjin.