Preparation of Songhua Egg Powder: Only three kinds of raw materials are available everywhere. 1 quicklime. 2 stone base. 3 salt. Preparation method: Lime, stone alkali, salt are weighed separately according to the ratio of 3:3:1. After fully mixing, each 250 grams is packed into a small bag and sealed with a heat sealer. Each pouch can be processed to produce 50 preserved eggs. Songhua preserved egg processing methods: each small bag of preserved egg powder just add 100 grams of water, with chopsticks into a paste into a fresh, not scattered yellow, non-cracking chicken duck eggs rolled into a bowl one by one, to the eggshell is not exposed Degree, and then into the altar, cylinders, cans or plastic bags (barrels, pots), sealed and stored for 10 to 12 days to mature. The quality of preserved eggs processed by this method is very good, no lead, no alkali mouth, no astringency, after peeling off the eggshell, the egg body is soft and elastic, sliding and not sticky, the protein is dark brown, transparent and bright, the yolk is Dark green, the entrance is sturdy, delicious, can save more than six months of the same flavor. Qian'an City Agricultural Information Center