Cloisonne is a unique art form that originated in Beijing.In the period titled 'Jingtai' during the Ming Dynasty,the emperor who was interested in bronze-casting techniques, improved the color process, and created the bright blue that appealed to the Oriental aesthetic sense. After a processing breakthrough, most articles for his daily use were made of cloisonne; in time cloisonne became popular among the common people; their favorite called 'Jingtai Blue'.