A certain petrochemical subsidiary is located in Tianjin, and its main business scope includes: licensed projects: production of hazardous chemicals; operation of hazardous chemicals. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. Specific business projects shall be subject to the approval documents or licenses of relevant departments.) General projects: petroleum product manufacturing (excluding hazardous chemicals); Sales of petroleum products (excluding hazardous chemicals); Production of chemical products (excluding licensed chemical products); Sales of chemical products (excluding licensed chemical products); Non residential real estate leasing; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Import and export of goods.

In March 2025, the company had 8 diesel vertical tanks that needed to be equipped with external level measuring instruments. The main reason was that the instruments of other companies were damaged and belonged to maintenance and replacement. Previously, the company had used instrument products from Dinghua Electronics, but this time it continued to purchase Dinghua instruments, which have been in good use ever since.