DNV 2.7-1 Offshore Container is a standard for offshore transport containers developed by Det Norske Veritas (DNV), and its full name is DNVGL-ST-E271 (formerly DNV 2.7 - 1). This standard aims to regulate the design, manufacturing, inspection and certification requirements of containers used to transport goods, equipment and personnel in the offshore oil and gas industry, ensuring their safety, reliability and applicability in harsh offshore environments.