Group 1 - The company, CNOOC Engineering, has officially obtained the Capability Maturity Model Integration (CMMI) Level 3 international certification for its Tianjin Intelligent Manufacturing branch, indicating a mature software development management system capable of delivering high-quality products and services efficiently [1] - The CMMI certification process involved a comprehensive review of 18 practice areas, including digital demand management, project planning, and risk control, with over 200 supporting documents reviewed and nearly 20 interviews conducted [1] - To ensure the successful certification, the company's Intelligent Digital Creation Center organized a preparatory effort three months in advance, which included systematizing the software development lifecycle, establishing a quantitative evaluation mechanism, and conducting over ten professional training sessions to enhance team capabilities [1] Group 2 - Since its establishment, the Intelligent Digital Creation Center of CNOOC Engineering's Tianjin Intelligent Manufacturing branch has been driving transformation through information technology, creating China's first digital intelligent manufacturing management system (DIMS) for marine oil and gas equipment [2] - The company has completed 5G construction and won a first prize in a national competition, achieving domestic replacement of the intelligent warehousing system (WMS) and reporting zero cybersecurity incidents [2] - Currently, the company is advancing the second phase of DIMS localization, optimizing Advanced Planning and Scheduling (APS), and conducting research in cutting-edge areas such as digital delivery of engineering projects [2]