From March 20 to 21, 2021, led by Li Detian, academician of the International Academy of Astronautics, vice president of the Chinese Vacuum Society, and director of the Science and Technology Committee of the 510th Institute, and participated by the Gansu Association for Science and Technology, the Science and Technology Committee of the 510th Institute, and the Jingtai County Association for Science and Technology, they went to Tianshui Shenzhou Lvpeng Agricultural Technology Co., Ltd. to carry
