The j-7 (Chinese code name: j-7, or f-7, NATO code name: Fishbed) fighter jet is a single-seat, single-engine supersonic jet fighter made in the 1960s by shenyang aircraft factory in China (later transferred to chengdu aircraft factory and guizhou aircraft factory). The Soviet mig fighter has 7 is copied - 21 ? - 13. The j-7, the first supersonic jet fighter developed by China, is heavily equipped with the Chinese air force and naval aviation forces. It is mainly used for territorial air defense and to seize control of the air on the front line of the battlefield. The j-7 is characterized by high altitude and high speed, light weight and flexibility, low cost, high efficiency and simple operation and maintenance. The j-7 fighter jet was once exported to many countries around the world.