Long March 8 (Core Only) | Hainan-1 to 4 & others

Carried 22 satellites to sun-synchronous orbit on a share-ride mission, including the Hainan-1 satellites.

Long March 8 (Chinese: 长征八号运载火箭) is an orbital launch vehicle developed by the China Academy of Launch Vehicle Technology to launch up to 5000 kg to a 700 km altitude Sun-synchronous orbit (SSO). The "Core Only" is based on the Long March 7 with its first stage, along with the existing liquid hydrogen burning 3rd stage of the Long March 3A/3B/3C and 7A as its 2nd stage. This version can lift 3000 kg to a 700 km altitude SSO.

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.