Chinese science ship "Xiangyanghong 10" Sunday returned to China after a voyage to the southwest Indian Ocean that lasted more than 200 days.

 

中国“向阳红10号”科考船在印度洋航行200多天后于周日返回祖国。

 

The ship docked at a port in Zhoushan, east China's Zhejiang Province.

 

The voyage was to explore the polymetallic sulphide at a seabed ore covering 30,000 square meters, under a contract signed between China and the International Seabed Authority, said Li Huaiming, a scientist involved in the project.

 

Scientists used China-developed unmanned submersible Qianlong 2 to conduct eight dives, reaching maximum 3,320 meters at depth. Qianlong 2 spent 170 hours, traveling 456 km for the research, proving that it was able to work on complicated terrains¹ underwater, Li said.

 

Other advanced Chinese technologies in exploring polymetallic sulphide were also used, Li said. 

 

Xiangyanghong 10 is the first Chinese ocean science survey ship built with the participation² of a private company.

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