Changan Oil 1 was built in 2010 and is an oil spill emergency ship. The ship is equipped with a large oil skimmer to load and unmount the rack, which can carry the largest oil skimmer (HSL/R100) in the Dalian ship oil spill emergency warehouse. At the same time, the tank has a capacity of 1,000 cubic meters, which can be used to carry a large amount of oily sewage.