The chickens of Lanwang eggs also have specific requirements. The prime hens that grow to 200 to 320 days are selected, and the feed is raw grains, including carrots, rice bran, rice, radish leaves, crab shells, red seaweed, calcium, and garlic. Flour and lactic acid bacteria, etc., the feed needs to undergo strict quality control, requires balanced nutrition, does not contain additives, hormones and antibiotics.

Orchid eggs are the top eggs in the Japanese food industry.