[The Chinese delegation completed the task of participating in the 5D Working Group meeting of the International Telecommunication Union Radiocommunication Sector] October 14th, according to the official website of the Ministry of Industry and Information Technology, from September 28 to October 8, 2026, the 5D Working Group (WP5D) meeting under the International Telecommunication Union Radiocommunication Sector Study Group 5 (SG5) was held in Geneva, Switzerland. This meeting is the ninth meeting of the WP5D research cycle of the World Radiocommunication Conference 2027 (WRC-27). The WP5D working group is mainly responsible for studying the technology, operations and spectrum-related work of the terrestrial part of the International Mobile Telecommunications System (IMT). This meeting focused on new frequency band allocations for IMT, new frequency band allocations for mobile phone direct-connection satellites, research on the submission process and templates for future 6G wireless technology, and focused on reviewing the draft report of the WRC-27 Preparatory Meeting (CPM), interference protection rules for mobile phone direct-connection satellite systems to IMT systems and other research results. Two CPM-related manuscripts and five frequency compatibility sharing research manuscripts submitted by China were adopted by the meeting. More than 50 representatives from 12 units including relevant departments of the State Council, research institutions, universities, and enterprises participated in the meeting in a combined online and offline manner.