In 2023, ROC starts the stainless LNG fuel tanks from foreign clients. This project is a service for Matson MV MANUKALNG Repower Conversion, a limited company in the United States. The material used is 304 stainless steel. The tanks are classed by the American Bureau of Shipping (ABS), with a diameter of 11.2 meters and a total length of 24.72 meters. The design temperature is -165℃, and the design pressure is 5.6 bar.