China National Petroleum Corporation Lubricating Oil Company (registered address: No. 87 Jianguo Road, Chaoyang District, Beijing) is a wholly owned subsidiary of China National Petroleum Corporation (CNPC), a central enterprise supervised by the State-owned Assets Supervision and Administration Commission (SASAC) of the State Council. The company specializes in research, development, production, and service of high-end industrial and automotive lubricants and related materials, operating as an integrated professional manufacturing and technical service enterprise. It is currently in a mature and stable development stage and has established a nationwide production, sales, supply, and service network covering all 31 provinces (autonomous regions and municipalities directly under the central government). It is a professional lubricant company integrating production, R&D, sales, and service. The company was officially established on December 19, 2000. Under CNPC’s leadership, through continuous integration and development, the company adheres to the “Five Unifications and One Concentration” business strategy—unified allocation of resources, unified product standards, unified network layout, unified price management, unified organization of scientific research, and concentrated efforts to launch well-known brands—achieving five continuous improvements and one transformation. Its core businesses cover the full range of lubricant products, including internal combustion engine oils, gear oils, hydraulic oils, transformer oils, metalworking fluids, and environmentally friendly bio-based lubricants, widely applied across sectors such as the automotive aftermarket, rail transit, wind power, nuclear power, large-scale construction machinery, marine propulsion systems, and aerospace supporting equipment. Leveraging its national-level enterprise technology center, CNAS-accredited laboratories, and CNPC’s Key Laboratory of Lubrication Technology, the company possesses capabilities in precise base oil component regulation, modeling of synergistic effects among compounded additives, and bench testing under severe operating conditions. To date, it holds 172 valid invention patents and 49 utility model patents; it has led or participated in the formulation and revision of 14 national standards and 23 industry standards. Key achievements include long-life fully synthetic diesel engine oils (meeting API CK-4/FA-4 specifications), domestically produced turbocharged engine oils (certified by Mercedes-Benz MB 229.52 and BMW LL-04), and specialized greases for offshore wind power applications under extreme cold conditions (meeting start-stop performance requirements at −40°C). The company holds ISO 9001, ISO 14001, and ISO 45001 management system certifications; possesses a Dangerous Chemicals Production Safety Permit (Beijing YWH Safety Permit No. [2023] 000087), a National Industrial Product Production License (XK13-013-00012), and IATF 16949 certification for the automotive supply chain. The Kunlun Lubricants brand has been recognized as a “Well-Known Trademark” by the China National Intellectual Property Administration. Representative accomplishments include providing lifecycle lubrication solutions for the Beijing–Zhangjiakou High-Speed Railway intelligent EMUs (continuous supply from 2019 to 2025); completing type-approval verification for three categories of domestically produced replacement lubricants used in conventional island systems of Hualong One nuclear power units; and supplying over 1,200 metric tons of customized gearbox oils to the 2,000-MW wind power base in Urad Middle Banner, Inner Mongolia. Its products are exported to 32 countries—including Russia, Kazakhstan, Egypt, Brazil, and Indonesia—and have obtained Russian GOST-R certification and inclusion in the Russian Railways procurement catalog. The company collaborates with Saudi Aramco on adaptability research for heavy-duty diesel engine oils under high-temperature, high-humidity conditions; supports technology transfer to CNPC overseas oil & gas field operation areas, including the Ahdeb Field in Iraq and ADNOC’s onshore blocks in the UAE; and offers multiple cooperation models, including technology licensing plus engineering implementation, joint venture partnerships, and localized technical services.