large water yield was founded in January 1999, June 12, 2000 in Shanghai Stock Exchange, the use of water is the only way of equity capital of listed companies, is the largest freshwater fish specialist, known as "China's first freshwater fish stocks."

companies adhere to the "energy efficiency fisheries, ecological farming," the development of ideas and the "company + base + farmers" of the industry patterns, unswervingly develop aquaculture main business, and achieved good social and economic benefits, is the focus of national agricultural industrialization leading enterprises, state and national poverty alleviation leading enterprises in the construction of new countryside "hundred" business model.

The company now has the largest base of freshwater aquaculture and aquatic breeding base, with the country's most advanced aquaculture and processing technology, especially young Dongting and breeding domesticated carp, grass carp breeding disease-resistant, Mongolia, Ba and Erythroculter ilishaeformis of artificial propagation, breeding of freshwater pearl mussel and the large comprehensive development and utilization of water Pearl biological enzyme technology and technology, leading to advanced international or domestic level.

The company now has the largest base of freshwater aquaculture and aquatic breeding base, with the country's most cutting-edge aquaculture and processing technologies, particularly Dongting domestication and breeding of young carp, grass carp breeding disease-resistant, Mongolia, Ba and Erythroculter ilishaeformis of artificial propagation, breeding of freshwater pearl mussel and the large water pearl comprehensive development and utilization technologies and bio-enzyme technology for advanced international or domestic leading level.