1. Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences; Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences; Beijing 100044 China
2. Department of Archaeology and Anthropology; University of Chinese Academy of Sciences; Beijing 100049 China
3. Institute of Archaeology; Chinese Academy of Social Sciences; Anyang 455000 China
4. China Printing Museum; Beijing 102600 China
5. College of Printing and Packaging Engineering; Beijing Institute of Graphic Communication; Beijing 102600 China