Fishermen were catching eco-friendly fish with fish nets at Lingmin Aquaculture and Breeding Base in Zhipeng Village, Sizhuang Township, Tongcheng County, January 6.

Making full use of the local abundant water resources,  the base has stepped up efforts to promote new technologies and models, and adopted the model of "people releasing fry and natural breeding, fish farming to improve water quality and purify water". It farms silver carp, black carp, grass carp, topmouth gudgeon, common carp, with an annual output of approximately 50,000 kilograms, increasing both ecological and economic benefits.