Preserved Eggs Preserved Eggs are a traditional specialty product of Xinghua. After the finished product is shelled, the egg shape is complete, the protein is tough and elastic, the color is bright and transparent, the pine flower texture is obvious, and there are no lead spots or black spots on the surface. The egg yolk is moderately soft or hard or slightly watery, not too spicy, fragrant, cool and delicious, with good color, aroma, taste and shape. No lead monoxide is added to the product during the production process, but natural plant trace elements that are beneficial to the human body are used to ensure that the product does not contain lead.