Salted duck eggs are Chinese specialties. Ancient called salty scorpion. The folk custom is also called "salted duck egg", "salted duck egg" and "green fruit". Ruijin salted duck eggs have a long history, and pickled salted duck eggs are a tradition passed down by Ruijin people. According to historical records, since the 1940s, Ruijin has been making large-scale development of salted duck eggs for more than 70 years. Ruijin salted duck eggs are deeply loved by the people and are also favored in the market. Ruijin salted duck egg is a re-made egg made from fresh duck egg as the main raw material. It is rich in nutrients, rich in fat, protein and various amino acids, calcium, phosphorus and iron trace elements and vitamins. Easy to be absorbed by the body, moderate salty, suitable for all ages.