- Family: Long March 5
- Length: 53.66 m
- Diameter: 5 m
- Launch Mass: 837 T
- Low Earth Orbit Capacity: 25000 kg
The Long March 5B was manufactured by China Aerospace Science and Technology Corporation with the first launch on 2020-05-05. Long March 5B has 4 successful launches and 0 failed launches with a total of 4 launches. The configuration of the CZ-5B variant consists of the Long March 5 core stage with its four strapped-on liquid-fueled boosters, but the usual second stage will be absent; in place of the second stage would be heavier low earth orbit payloads.