From 2004 to 2006, the Archaeology Department of Zhengzhou University excavated Nanwa Site in Dengfeng, Henan Province. A heavily-weathered white necklace and ear-rings were found respectively from Tomb 2004M18 and 2004M26. The results of scanning electron microscopy (SEM) and X-ray fluorescence (XRF) spectrometry show that they both contain PbO-SiO₂ glass components. The dating results show that they are both from the Northern Song Dynasty. The two tombs are relatively small in size, but both have glassware as burial objects. To some extent, this indicates that, along with the maturation of the technology for making glass products, the group of consumer of glass products began to expand, increasing the consumption of glass products.