Ceramicists in Jingdezhen during the Yuan dynasty produced their underglazed red ceramics by applying copper to the bisque and a transparent glaze over it to maintain the original appearance and firing it in one go.
至於元代景德鎮所創燒的「釉裡紅」，則是以銅紅料（含銅化合物的顏料）在瓷胎上彩繪，然後罩上透明釉於還原氣氛中以高溫一次燒成。