Oracle Bone Inscriptions, when did Zhangpu appear?

Shang dynasty. Oracle Bone Inscriptions appeared in the Shang Dynasty, and Oracle Bone Inscriptions was carved or written on tortoise shells and animal bones. Oracle Bone Inscriptions itself was a tool used by the Shang royal family to predict what was happening in the world. Most Oracle Bone Inscriptions was found in Yinxu, Anyang City, China, and Oracle Bone Inscriptions is a very old writing in China history, also known as Wen Qi or Yinxu.