The only marine minority in China is the Shui nationality.

Jing nationality (China standard Roman alphabet: Gin, Vietnamese: ng? I Kinh/? Jing nationality, or), also known as Yue nationality (Vietnamese: ng? I'm six? t/？ Yue nationality is the main ethnic group in Vietnam, accounting for 86% of the total population of Vietnam, and it is a Vietnamese in a narrow sense. In China, the Jing people are considered as one of the ethnic minorities. 1958, the State Council, People's Republic of China (PRC), named this ethnic group in China Jing, and the name Jing was also used by Vietnamese officials to distinguish it from other ethnic groups in Vietnam.

Fishing is a traditional industry of the Jing nationality. In all kinds of fishery production, Jing nationality mainly engages in shallow sea trawl fishery and miscellaneous fishery. Fishing tools include trawl, inserting net, fishing foil and gill net, as well as shark net, shrimp net, jellyfish net, horseshoe crab net and ink net for special fishing and hunting objects. As for digging sand worms, raking snails, digging mud cubes and catching crabs, etc. , are relatively simple small sea operations.

Due to different geographical conditions, the types of operations are also different. Wan Wei is mainly engaged in net fishing, with foil fishing in the mountains and foil and net fishing in the roof. Rich fishing gear and fine division of labor have formed the unique fishing culture of the Jing nationality. Jing people have accumulated rich experience in fishery production in long-term production practice. They are very familiar with the migration laws of various fish, can accurately predict the fluctuation of tides and the changes of marine climate, and arrange production according to the "rise" and "fall" laws of tides.