GENEVA, May 10 -- ZHICHENG LIUXIN DIGITAL TECHNOLOGY RESEARCH INSTITUTE (NANJING) CO., LTD. (9th Floor, Building A, Jiangbei International Smart Valley, No.1 Xinbei Road, Pukou DistrictNanjing, Jiangsu 211800), 智城六新数字科技研究院（南京）有限公司 (中国江苏省南京市浦口区新北路1号江北国际智谷A座9楼) filed a patent application (PCT/CN2023/137763) for "HOISTING DEVICE FOR UNMANNED AERIAL VEHICLE-BASED PHOTOVOLTAIC MODULE TRANSPORTATION" on Dec 11, 2023. With publication no. WO/2025/091629, the ...