Fig. 7: The comparison of Sr isotope for the YJL-1 and Ding Kiln porcelain in the Yuan Dynasty.

The first group of Ding Kiln porcelain represented by “DS”, The second group of Ding Kiln porcelain represented by “DQ”, The third group of Ding Kiln porcelain represented by “DH”, The fourth group of Ding Kiln porcelain represented by “DF”.