北方长龙(301357.SZ)并未直接生产玻璃纤维、碳纤维、树脂等原材料

Group 1 - The company, Beifang Changlong (301357.SZ), does not directly produce raw materials such as fiberglass, carbon fiber, and resin, but instead purchases these basic raw materials [1] - The company processes these materials through a series of operations including molding, formulation, and painting to create composite material products [1] - These composite products are utilized in various military applications, including vehicle human-machine interface systems, ammunition equipment, auxiliary equipment for military vehicles, communication equipment for military vehicles, and drones [1]