Long March 4B (China Aerospace Science and Technology Corporation)

- Length: 44.1 m
- Diameter: 3.35 m
- Launch Mass: 249 T
- LEO Capacity: 4200 kg
- GTO Capacity: 1500 kg
The Long March 4B, manufactured by China Aerospace Science and Technology Corporation established in 1999, undertook its inaugural launch on 05/10/1999, is non-reusable and is active.
Long March 4B has 51 successful launches and 1 failed attempts, with a cumulative tally of 52 launches, currently with 0 pending launches in the pipeline.
The Long March 4B (Chinese: 长征四号乙火箭), also known as the Chang Zheng 4B, CZ-4B and LM-4B is a Chinese orbital carrier rocket. Launched from Launch Complex 1 at the Taiyuan Satellite Launch Center, it is a 3-stage rocket, used mostly to place satellites into low Earth and sun synchronous orbits.
Manufacturer
China Aerospace Science and Technology Corporation (CASC)
Chairman & President: Lei Fanpei
The China Aerospace Science and Technology Corporation (CASC) is the main contractor for the Chinese space program. It is state-owned and has a number of subordinate entities which design, develop and manufacture a range of spacecraft, launch vehicles, strategic and tactical missile systems, and ground equipment. It was officially established in July 1999 as part of a Chinese government reform drive, having previously been one part of the former China Aerospace Corporation. Various incarnations of the program date back to 1956.