Group 1 - The State Intellectual Property Office of China has granted a patent to Hisense Group Co., Ltd. and Guiyang Hisense Network Technology Co., Ltd. for a method of encrypted communication for vehicle-road collaboration and devices with encrypted communication functions, with the announcement number CN115119178B and application date in March 2021 [1] - Hisense Group Co., Ltd. was established in 2001 and is located in Qingdao, primarily engaged in the manufacturing of computers, communications, and other electronic devices, with a registered capital of 2,453.941254 million RMB [1] - Hisense Group has invested in 25 companies, participated in 44 bidding projects, holds 22 trademark records, 965 patent records, and has 9 administrative licenses [1] Group 2 - Guiyang Hisense Network Technology Co., Ltd. was established in 2015 and is located in Guiyang, primarily engaged in internet and related services, with a registered capital of 100 million RMB [1] - Guiyang Hisense has invested in 1 company, participated in 84 bidding projects, holds 12 patent records, and has 4 administrative licenses [1]

Core Viewpoint - Fenghuo Communication (600498) has made significant progress in the engineering application of self-developed hollow core anti-resonant fiber (HC-ARF), addressing various engineering challenges and advancing towards large-scale application [1] Group 1: Technological Advancements - The company has conducted systematic research to tackle engineering challenges such as water vapor ingress, CO gas absorption peaks, and lightning strike tests for hollow core optical cables [1] - Relevant research findings have been published in journals like "Optics Journal" and "Optical Communication Research," indicating a commitment to advancing technology [1] Group 2: Future Prospects - Hollow core fiber is expected to reshape the global technological landscape in fields such as encrypted communication and 6G networks [1]