Beijing Institute of Satellite Environmental Engineering

航天科技集团五院511所

The Beijing Institute of Satellite Environmental Engineering (BISEE), founded in 1968, is a prominent Chinese organization focused on spacecraft system assembly, integration, and testing (AIT). It develops spacecraft system AIT centers, space environment simulation facilities, and mechanical ground support equipment. BISEE has completed AIT for over 213 spacecraft, including manned spaceships, navigation satellites, and lunar probes, and has expanded its services internationally to countries like Russia and Egypt.