ClassNK issues Approval in Principle (AiP) for large liquefied CO2 carrier developed by DSOC and NODRI September 13, 2025 International Shipping, Classification Society, Maritime, Ship Building, Shipping, Trending News TOKYO: ClassNK has issued an approval in principle (AiP) for a large liquefied CO2 carrier (50,000m3) jointly developed by Dalian Shipbuilding Offshore Co., Ltd. (DSOC) and Nantong Offshore Design & Research Institute Co. Ltd (NODRI).