Under the background of the global energy low-carbon transformation, offshore oil and gas development is confronted with challenges such as high safety risks, strict environmental control, and rising operating costs. Relying on the "cloud-pipe-edge-device" collaborative architecture, Tongxin Company deeply integrates 5G, Internet of Things, AI and big data technologies, consolidates environmental data and production systems, and realizes the overall visual management of emergency command. At present, the solution has been successfully applied to multiple offshore platforms in the Bohai Sea and the South China Sea, reducing the safety accident rate by 60% and increasing the safety operation and maintenance efficiency by 40%. Tongxin Company will continue to collaborate with industry partners to strengthen the lifeline of offshore energy through digital technology innovation and safeguard the safe, efficient, green and low-carbon development of the oil and gas industry.