Ceramic Antique Chinese Gongfu Tea Cup Set Replicas of The Five Great KilnsThe term Five Great Kilns (Chinese: , wu da ming yao) was first mentioned in a book of imperial collections of the Ming dynasty. DESCRIPTION: Step back into the Song Dynasty, a golden age of Chinese ceramics, with The Five Great Kilns of Song RAF Collection. Each cup in this set is a testament to the enduring legacy of the era's most revered kilns: Ru ware (Ruyao), Guan ware (Guanyao), Ge ware (Geyao), Jun ware (Junyao), and Ding ware (Dingyao).