Gelonghui, May 9 | Gao Ling Information (688175.SH) said on an interactive platform that the company was not involved in commercial aerospace. Regarding military informatization, judging from the industrial chain, the upstream of the industry mainly provides components and information weapon equipment control systems for information weapons and equipment manufacturing, including electronic components, integrated circuits, special materials, etc.; the downstream is a military application field, including various fields such as information security, investigation and early warning, satellite navigation, military communications, etc., and Gaoling's information-related business belongs to the field of information security and military communication in the military information technology industry.