Guotan carbonado [Photo from chinadaily.com.cn]

Guotan carbonado is produced in Guotan town, Tanghe county, and has a history of over 400 years.

Guotan carbonado is made from domesticated chicken with dozens of condiments and rare traditional Chinese medicines after the processes of pickling, deep-frying, airing and marinating successively, according to a secret recipe handed down through the generations.