It is understood that Yuntai Mushroom Company situating in Ningjin County, Hebei Province holds the province’s largest industrialized King oyster mushroom base. The company has been developing technological cooperation with China Agricultural University and other academies and institutions, utilizing cornstalks, corncobs, cotton stems, saw dusts and other wastes to cultivate King oyster mushrooms and the daily capacity could be 20 tons. Meanwhile, mushroom residue wastes could also be processed into organic fertilizer while plastic bags and sacks could be recycled for reuse, which realizes the comprehensive utilization and zero emission of wastes.