Beijing is the cradle of cloisonne technique. The earliest and existing cloisonne is theproduct in Yuan dynasty， which we know it has nearly a thousand year history. The originalcloisonne were most of the archaized bronze ware， especially produced during the Xuandeperiod of Ming dynasty is fine. During the course of Jingtai period of Ming that is between 1450and 1456 craftsmen found a blue glaze in navy-blue color which is elegant and decent of theartworks. Cloisonne manufacture is comprehensive and sophisticated， combining the techniquesof making bronze and porcelain ware， as well as those of traditional painting and sculpture.