Liu Yajun, male, born in September 1962. I graduated with a master's degree from Chengdu Institute of Geology (Chengdu University of Technology) in 1989. Editor and reviewer of Geological Publishing House, former director of Liu Yajun's studio. Having worked on the front line of book editing and publishing for over 30 years, we have united and established a team of authors, including multiple academicians and experts, to plan and organize manuscripts We have edited and published a large number of excellent geoscience and technology boutique books with significant academic value and inheritance and dissemination value (including monographs on the achievements of the National Science and Technology Progress First and Second Prizes, Provincial and Ministerial Science and Technology Progress First Prizes, National 973/863 Program Projects, Natural Science Foundation Major Projects, and National Science and Technology Major Special Achievements). Outstanding achievements in editing and publishing work have been widely recognized and praised by peers, authors, and readers in the publishing industry. Awarded the May Day Labor Medal by the central and state organs (2021), and the Outstanding Communist Party Member by the directly affiliated organs of the Ministry of Land and Resources (2015) p>