北方长龙：公司专注于军事装备领域

Core Viewpoint - The company focuses on the military equipment sector, specifically in the research, design, production, and sales of military vehicle supporting equipment using non-metal composite materials [2] Company Summary - The company is engaged in performance research, process structure design, and application technology related to military vehicles [2] - Currently, the company has not applied any products in humanoid robots [2]