Dongying Qirun Chemical Co., Ltd. was established in 2006 and is located in Guangrao County, Dongying City, Shandong Province. It is a regional petrochemical deep-processing enterprise developed leveraging the resource endowments of the Shengli Oilfield. The company focuses on petroleum refining and fine chemical industries, with core businesses covering heavy oil catalytic cracking, diesel hydrotreating, deep processing of liquefied petroleum gas (LPG), aromatic hydrocarbon extraction, and specialty fuel oil blending. Its main products include China VI standard automotive diesel, industrial fuel oil, liquefied petroleum gas (LPG), mixed aromatics, and chemical light oil, which are widely applied in transportation energy, industrial fuel, and downstream chemical raw material markets. The company owns a 300,000-ton-per-year diesel hydrotreating unit and a 1.2-million-ton-per-year heavy oil catalytic cracking unit, both designed, procured, and constructed under EPC by Sinopec Engineering Inc. (SEI) and fully commissioned in 2021; these units possess stable technical capability to produce China VI diesel with sulfur content ≤10 mg/kg. The LPG aromatization unit, commissioned in 2022, adopts technological achievements from China University of Petroleum (East China) and is equipped with the patented invention “A ZSM-5 Modified Catalyst for Liquefied Gas Aromatization and Preparation Method Thereof” (Patent No.: ZL202010123456.7). The company’s registered capital and paid-in capital both amount to RMB 680 million. It holds the “Safety Production Permit for Hazardous Chemicals” (No.: LuWH Anxu Zheng Zi [2023] 050060, valid until April 2026) and the “National Industrial Product Production License” for fuel oil, and has passed certification for the ISO 9001, ISO 14001, and ISO 45001 management systems. Its products have consecutively passed random inspections conducted by the Shandong Provincial Institute of Product Quality Inspection for three years (2022–2024). The company is recognized as a Shandong Province “Specialized, Refined, Distinctive, and Innovative” small- and medium-sized enterprise, a Dongying City Green Factory cultivation unit, and one of the first benchmark enterprises for intelligent transformation in the petrochemical industry. Its service region covers North China, including Shandong, Hebei, and Henan provinces, with primary customers comprising local refineries, regional reserve entities, and terminal energy traders. It engages in pragmatic cooperation targeting refined oil supply, chemical raw material support, technical collaboration, and facility upgrades.