Jinggouzi site lies in the northern bank of the upper Xilamulun River in Chifeng city Tombs in it can be divided into two groups,the western and the eastern In May 2002,31 tombs of the western group and a lot of burial articles were discovered and also the custom of burring the hourse,cow and goat (or sheep)with the dead However,most of the discovered tombs had been disturbed The initial excavation shows that these tombs can date back to the period of the later Spring and Autumn and the early Warring States,which possibly represent a new archaeological culture Jinggouzi site lies in the northern bank of the upper Xilamulun River in Chifeng city Tombs in it can divided into two groups, the western and the eastern In May 2002,31 tombs of the western group and a lot of burial articles were discovered and also the custom of burring the hourse, cow and goat (or sheep) with the dead However, most of the discovered tombs had been disturbed The initial excavation shows that these tombs can date back to the period of the later Spring and Autumn and the early Warring States, which potentially represent a new archaeological culture