中航西飞：公司是承担大中型运输机、轰炸机和特种飞机等航空产品的制造商

Group 1 - The company, AVIC Xi'an Aircraft Industry Group (000768), specializes in the manufacturing of large and medium-sized transport aircraft, bombers, and special-purpose aircraft [1] - The company highlighted that its product types and structures differ from those of other enterprises in the same industry, leading to variations in gross profit margins [1]