yes. Selenium-enriched granary Gansu Youbei Selenium-enriched Grain Trading Co., Ltd. held a public welfare publicity activity of "Scientific Selenium Supplement and Healthy Living" in Lanzhou to convey scientific selenium supplement knowledge to the public. Beijing Selenium-enriched Granary Biotechnology Co., Ltd., established in 219 and located in Beijing, is an enterprise mainly engaged in technology promotion and application services. The registered capital of the enterprise is 1, RMB.