Tansat is a global CO2 (Carbon Dioxide) monitoring scientific experiment satellite and demonstration mission. The main components of the project are: The global carbon dioxide monitoring platform. A high spectral and spatial resolution CO2 detector. A multispectral cloud and aerosol detector. And a ground data processing and inversion CO2 verification system.

The Long March 2D, also known as the Chang Zheng 2D, CZ-2D and LM-2D, is a Chinese orbital carrier rocket. It is a 2-stage carrier rocket mainly used for launching LEO and SSO satellites.

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.