In December 2021, Nantong CIMC SOE successfully delivered the world's largest 20,000cbm LNG refuelling carrier to Avenir LNG in Zhoushan, Zhejiang Province. The delivery was carried out in a "cloud delivery" mode. The 20,000cbm LNG refuelling carrier is the world's largest LNG refuelling carrier, the main cargo tank is a C-type double flap tank, with an overall length of 159.9m and a beam of 24m, and features safety, low evaporation rate and environmental protection. Yao Liang Law Offices  provided legal services during the performance stage of this project.