The Third Ministry of Machine Building of the People's Republic of China (中华人民共和国第三机械工业部) was a former government ministry of China which oversaw the aviation industry.
After the Cultural Revolution, the first information about its business comes from March 1973.
In April 1988 it became part of the newly created Ministry of Aerospace Industry.
At the close cooperation with the Soviet Union ministry was responsible for launching the production supplied by Soviet fighters F-2 (MiG-15), J-4 (MiG-17), JS (MiG-17PF) and J-6 (MiG-19) and bombers, H-5 (Il-28) and H-6 (Tu-16).
Modern aircraft factories in: Shenyang (J-4, J-5, J-6, J-7, J-8, J-11), Xi'an (H-6, H-8), Harbin (H-5) and Chengdu (J-7).