Which A-share listed companies participated in making a defensive special weapon?

Weapons are for people. Whether you are defending or attacking is naturally two concepts. What are defensive achievements? I know some weapons and equipment companies for your reference. Ships: Aviation Power, China Heavy Industry. Fighter: aviation power, Chengfa technology, AVIC precision machine, AVIC power control, rocket launcher: Zhong Bing photoelectric. Missiles: Jiangnan Red Arrow, Xinhuaguang, Aerospace Changfeng, Aerospace Electrical Appliances, Aerospace Electronics, and Aerospace Communications. Tanks: Entrepreneurship in the North. Light weapons: Yi Xi shares. Electronic equipment: China Satellite, Sichuang Electronics, Guoteng Electronics, Big Dipper, Aerospace Electronics, Obit and Gaode Infrared. Helicopter: Hafei, AVIC power control. Transport planes: Xifei International, AVIC Optoelectronic, AVIC Heavy Machinery. There is also an original ST Changhe fighter series. I don't know whether to withdraw from the market or change my name now. You can find it yourself. I hope you are satisfied.