In Damazhuang, Luannan, Tangshan, the ruins of the Yin and Shang Dynasties were discovered as early as the 1960s. Such as "Shang Dynasty Site of Liantai Temple in Xiaojiazhuang". In addition to a large number of jade writing tools found in this area, many bronzes engraved with the words "Yahweh, the ancestor of the solitary bamboo kingdom" were also found. Such as bronze ribbons, bronze tripod and so on. The above objects, identified by domestic experts and scholars, are all relics of solitary bamboo in Yin and Shang Dynasties. Therefore, it is proved that Luannan in Tangshan is the center of the solitary bamboo country.