Henan selenium foods and agriculture co. Ltd. Is a former eco-green agricultural company specializing in the cultivation and marketing of selenium-rich agricultural products, formerly the henan selenium valley green agriculture co. Ltd., established in 2005, and is now integrated into institutions such as the enriched selenium food research and development centre, the selenium food material base, and the luenium food processing base. The "research and development centre for selenium products at henan university of technology " , established jointly with henan university of technology, is china's first professional research and development centre for rich selenium grains, whose by-products exceed national standards by 100 per cent (150 μg per 1000 grams of grain) and are rich in natural organic selenium, with safe, efficient and no side effects. Selenium fragrance is the country's first company to produce porridge, which includes almost 20 special types of porridge, including its ...