- Family: Long March 3
- Length: 54.8 m
- Diameter: 3.35 m
- Launch Mass: 425 T
- Low Earth Orbit Capacity: 11500 kg
The Long March 3B/YZ-1 was manufactured by China Aerospace Science and Technology Corporation with the first launch on 1996-02-14. Long March 3B/YZ-1 has 13 successful launches and 0 failed launches with a total of 13 launches. The Long March 3B is a Chinese orbital carrier rocket. Introduced in 1996, it is launched from Launch Area 2 and 3 at the Xichang Satellite Launch Center in Sichuan. A three-stage rocket with four strap-on liquid rocket boosters, it is currently the most powerful member of the Long March rocket family and the heaviest of the Long March 3 rocket family, and is mainly used to place communications satellites into geosynchronous orbits.
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. China Aerospace Science and Technology Corporation is a Government CHN entity that was founded in 1999 and is administered by Chairman & President: Lei Fanpei.
China Aerospace Science and Technology Corporation has 398 successful launches and 13 failed launches with a total of 411 launches.