Transcription: Porcelain of the Song, Yuan, Ming and Qing. Porcelain manufacture was stimulated by the Song Emperor's insistence on refinement in culture. The five celebrated kiln centers of the Song period not only brought firing techniques to new heights of perfection but developed wares distinguished by dignified vessel shapes and elegant glaze colors. The Jingdezhen Kiln Complex in Jiangxi the ranks of high production centers at this time. Jingdezhen became China's principal center of porcelain manufacture during the Yuan dynasty. Underglaze blue and underglaze red are the representative wares of this ti ...