In 2013, Enshi Tujia and Miao Autonomous Prefecture Selenium Application Technology and Product Development Research Institute (hereinafter referred to as "Enshi Selenium Institute") and Enshi Academy of Agricultural Sciences implemented "two brands, one team" management, which is a prefecture-level agricultural research unit supported by the state. In 2017, Hubei Provincial Institute of selenium rich industrial technology (hereinafter referred to as Hubei Provincial Institute of selenium) is a provincial industrial technology research institute approved by Hubei Provincial Department of science and technology, relying on Enshi Academy of Agricultural Sciences and Enshi selenium Institute. At present, the work of both houses is undertaken by Enshi Qingjiang Biology. We are committed: ① Development of selenium-enriched raw materials; ② Development of selenium-enriched functional foods (formulation design, standard formulation, production control, finished product OEM);③ Research on selenium detection methods; ④ Research on selenium-enriched standardized planting and processing technology of specialty crops; ⑤ Research on selenium-enriched standardized breeding and processing technology of livestock and poultry.