Pi eggs are ducks or chickens. Not directly from the animal, leather eggs, also known as loose eggs, taste smooth and crisp, slightly salty, color and flavor are unique. Songhua eggs are not only loved by the majority of domestic consumers, but also enjoy a reputation in the international market.

The yolks of puffed eggs have a lot of protein decomposition into amino acids, so the yolks of puffed eggs taste much fresher than the yolks of ordinary eggs.