The soup is rich in selenium salt. It is made from natural stocking duck eggs. The production process uses lead-free technology and does not contain harmful substances. It is a healthy green food. It has a special healthy green food with the flavor of “preserved egg”, “delicious salted egg” and “scent of marinated egg”. Everyone loves to eat.

Yichun Wentang佬 Selenium Salted Eggs are produced in China's three major selenium belts in Jiangxi Yichun, the famous national forest park, and the National Geological Park – Wentang Town in Mingyue Mountain Scenic Area. CCTV once reported the mystery of Wentang people not suffering from cancer and longevity with a series of special documentaries such as "No Cancer in My Village", "Exploring Longevity", "Hometown of Longevity" and "The Secret of Cancer-free Longevity Village".