China has made a significant technological breakthrough in the realm of hydrogen production by successfully creating green hydrogen from abundant seawater resources. CenerTech, a subsidiary of China National Offshore Oil Corporation (CNOOC), introduced a megawatt-class seawater electrolysis plant that recently finished its trial run, yielding hydrogen with an exceptional purity level of 99.999 percent. The facility, which can produce 200 standard cubic meters of hydrogen per hour, is ingeniously designed to incorporate operations like current processing, seawater electrolysis, and hydrogen purification into a compact and portable structure suitable for offshore platforms. By leveraging the fluctuations in offshore wind and solar power, the plant offers a practical solution for utilizing renewable energy resources on-site. The innovative aspect lies in the direct seawater electrolysis process, which eliminates the need for desalination, thereby reducing costs and ensuring consistent, long-term hydrogen production. Engineers envision combining this technology with renewable energy sources like offshore wind power to enable the local consumption of electricity in remote oceanic regions. This achievement by CenerTech was preceded by a successful project by Sinopec, a state-owned oil refiner, which was able to produce 20 cubic meters of green hydrogen per hour on a factory scale. The advancements in seawater electrolysis showcase China's commitment to green energy and sustainable hydrogen production, heralding a promising future for the integration of renewable resources in hydrogen generation.