Fourteen East Zhou tombs were excavated in Zhengzhou Concrete Factory at the east bank of the Xiliu Lake, to the northewst of Zhengzhou City, in November of 1998 by Zhengzhou municipal Institute of Cultural Relics and Archaeology. Being pit tombs with coffins and out coffins, the combinations,of the burial goods are two: pottery li - tripod , yu - basin, dou - vessel and guan - jar and pottery ding - tripod, lei - jar, pan - vessel and yi - container.