- Family: Dong Feng
- Length: 10.7 m
- Diameter: 1.4 m
- Launch Mass: 14 T
The Dong-Feng 21 was manufactured by China Aerospace Science and Technology Corporation with the first launch on 1985-05-01. Dong-Feng 21 has 0 successful launches and 0 failed launches with a total of 0 launches. The Dong-Feng 21 is a two-stage, solid-fuel rocket, single-warhead medium-range ballistic missile (MRBM) in the Dong Feng series developed by China Changfeng Mechanics and Electronics Technology Academy.