About Technology and Engineering Center for Space Utilization, Chinese Academy of Sciences

Technology and Engineering Center for Space Utilization, Chinese Academy of Sciences

The Technology and Engineering Center for Space Utilization (CSU; Chinese: 中国科学院空间应用工程与技术中心) is a Chinese Academy of Sciences (CAS) centre in Beijing, China, that leads the space utilisation system of the China Manned Space Program. Acting on behalf of the Chinese Academy of Sciences, CSU is responsible for mission planning, implementation, technical support, reliability assurance and results outreach for space science and utilisation — in short, for what China's crewed spacecraft, space laboratories and space station are used for scientifically, as distinct from the vehicles that carry them. It is the headquarters of the utilisation system and also serves as an executive centre of the China Manned Space Agency, providing scientific, technical and managerial support to the programme. Every experiment planned for the Tiangong space station passes, in system terms, through the organisation this profile describes.

Origins: GESSA and the Start of Crewed Space Utilisation

China's manned space programme was approved in 1992. The utilisation organisation followed immediately: CSU's predecessor, the General Establishment of Space Science and Application (GESSA), was founded in 1993 to organise payloads and scientific applications for the crewed programme. For nearly two decades the utilisation system worked under the GESSA name, planning applications for the Shenzhou ("SZ") series spacecraft as the programme advanced step by step — autonomous flight, extravehicular activity, rendezvous and docking — toward space laboratories and a permanent station. On the Shenzhou VII mission, for example, the Space Utilization System implemented three main utilisation tasks: releasing a concomitant satellite after the astronaut's extravehicular activity, testing spacecraft re-release and concomitant flight technology and flying-around technology for passive non-cooperative targets for the first time, and carrying out an exposure test on solid lubricating material in outer space during the spacewalk. The centre was formally established under its present name, the Technology and Engineering Center for Space Utilization, in August 2011, with the GESSA name still in use and still referred to today. The renaming, on the eve of the space-laboratory era, marked the utilisation system's transition from a project office for early crewed flights to the standing engineering centre for a national space laboratory.

Mandate Within the China Manned Space Program

CSU's mandate is defined by its position in the programme's system architecture. On behalf of CAS, it has been leading the space utilisation system of the China Manned Space Program (CMSP) and takes responsibility for the management and coordination of the system, as well as overall design of the utilisation system, system design, integration, testing, reliability assurance, in-orbit technical support, in-orbit payload control, data acquisition and service. The centre itself summarises its functions as mission planning, implementation and achievement outreach for space science and utilisation, together with the headquarters functions of technological support, reliability assurance and service, and results outreach for the utilisation system, and responsibility for the management and coordination of the system and the coordination of payload development. It is also the Executive Center of the China Manned Space Agency. In practical terms, national research teams propose experiments in life science, microgravity physics, materials science, astronomy and other fields; CSU plans them into flight programmes, engineers their accommodation as payloads, assures their reliability, supports and controls them in orbit, acquires their data, and promotes the results — the full life cycle of crewed space science.

Organisation, Staff and Research Divisions

CSU comprises about 300 employees, including one member of the Chinese Academy of Sciences, and more than half of its employees are senior-level engineers holding doctoral or master's degrees. It runs postgraduate programmes in Information and Communication Engineering, Computer Science and Technology, Aeronautical and Astronautical Science, and Electronics and Communications Engineering. Its internal divisions mirror its system responsibilities. The Division of System Design, established under the programme as the research and support institution for the overall technology of the space utilisation system, is responsible for the overall scheme design of the system, the management and technical coordination of its internal and external interfaces, and the technical management and support of payload development; by July 2014 it had 22 employees and one rehired expert, organised in a two-dimensional matrix spanning professional disciplines — systems engineering, aircraft design, electronics and information systems overall design, flight-control task analysis, advanced testing techniques, software engineering, multidisciplinary optimisation and simulation verification — and engineering products from Shenzhou spacecraft and space laboratories to the space station and cargo spacecraft. The Division of Strategic Planning conducts strategic research on space utilisation for the programme: analysing the centre's internal and external environment, formulating strategy options aligned with national goals and the programme's vision, facilitating the eight Space Utilization panels, developing long- and short-range plans and roadmaps, running announcements of opportunity and the evaluation and selection of research proposals for the China Space Station, and publishing the journal-style bulletin Utilization Trend of Manned Space Engineering, six issues of which had been published for an audience of programme administrators, scientists, engineers and the public.

From Shenzhou and Tiangong Laboratories to the Space Station

With twenty years of unremitting endeavour, the utilisation system implemented tens of scientific research projects using the Shenzhou spacecraft and the Tiangong ("TG") space laboratories, and later the Tianzhou ("TZ") cargo ships. CSU supported the scientific experiments flown on the Tiangong-2 space laboratory in 2016, the culmination of the laboratory phase. The completed China Space Station — Tiangong — then transformed the scale of the work. As the "National Space Laboratory", the station offers flexible and diverse conditions and vast experiment resources, and CSU's planning framed station utilisation as China's largest space science and utilisation programme: a strategic effort promoting cutting-edge scientific exploration and leading applied technology development, organised in its early planning across 31 topics in eight fields, including space life science and biotechnology, microgravity fluid physics and combustion science, space environment and space physics, space earth science, new technology of space utilisation, space material science, fundamental research in microgravity, and space astronomy and astrophysics. For the station's first batch of projects, hundreds of proposals in four disciplines — life science, microgravity fluids, space material science and fundamental physics — were collected and reviewed through the centre's selection machinery, and more than seventy projects were selected, producing the first batch of space science projects planning report for the China Space Station.

Tiangong Classroom, Returned Samples and the Thousand-Project Decade

CSU's work reaches the public most visibly through the station programme it supports. It supported the first Tiangong Classroom lesson, broadcast live from the China Space Station on 9 December 2021, in which the station crew demonstrated science experiments to students on Earth — an outreach function squarely within its results-outreach mandate. It likewise handles the processing of experiment samples returned by Shenzhou spacecraft from the Tiangong station, the point at which orbital experiments become laboratory science on the ground. The forward programme is large: in January 2025 the centre announced that the station would conduct over 1,000 research projects over the following ten to fifteen years, in fields planned with nearly 100 CAS academicians and thousands of experts. Research highlights published by the centre continue to mark the programme's output, such as the release of the world's first multi-animal pose tracking dataset from the China Space Station, the "SpaceAnimal Dataset", published in the Nature portfolio journal Scientific Data. The centre's own strategic research has also looked beyond the station, presenting strategic and technological analyses that defined science goals for future human space exploration destinations and proposed critical techniques, alongside lunar human-robot joint exploration concept research and a space science and utilisation standard system with six critical standards.

Partnerships: Hong Kong and International Links

CSU's partnerships connect the station programme to the wider research community. In Hong Kong, the Hong Kong University of Science and Technology (HKUST) signed a framework agreement with CSU to forge a strategic partnership in aerospace engineering and innovation, following a visit by a CSU delegation responsible for China's manned space research and application projects. The agreement covers five areas: establishing a joint laboratory, promoting research partnerships, co-sharing research facilities and systems, facilitating talent development and fostering international cooperation, with the ambition of building the joint laboratory toward national key laboratory standing for impactful research programmes using the manned space station's large-scale facilities. A research team led by Professor Su Hui at HKUST had already received CSU approval to lead the "High-Resolution Global Greenhouse Gas Observatory" project, expected to be applied on China's Tiangong Space Station. Internationally beyond Hong Kong, CSU is Novespace's exclusive partner in China for scientific and public parabolic flights, linking the centre to the European parabolic-flight programme used for microgravity research and public experience flights. Its strategic planning documents likewise study the utilisation trends of manned space engineering worldwide, keeping the Chinese programme's planning in dialogue with international practice.

Strategic Research, Standards and Publications

Beyond flight projects, CSU performs the programme's forward-looking work. Its Division of Strategic Planning develops the long-range (strategic) and short-range (tactical) plans and the roadmap for space utilisation for the China Manned Space Program, develops announcements of opportunity for space utilisation projects, and evaluates and selects research proposals for the China Space Station. Its documented scientific research projects include critical techniques research for space station utilisation, research on the 2050 development trend of space utilisation, research on the space science and utilisation standard system together with six critical standards, and lunar human-robot joint exploration concept research. The strategic and technological analysis reports it presented defined science goals for future possible destinations of human space exploration and proposed a series of critical techniques to be developed. The division also publishes Utilization Trend of Manned Space Engineering, a periodical read by hundreds of people including the administrators of the China manned space program, scientists and engineers in space utilisation, and members of the public, and it provides information services for space administrators, space scientists and engineers. This planning-and-publication layer is what turns individual missions into a programme: the thousand-project decade announced in January 2025, planned with nearly 100 CAS academicians and thousands of experts, is the product of exactly this strategic machinery.

Role and Significance

Space programmes are usually described by their rockets and spacecraft, but their scientific value is decided by utilisation — the experiments chosen, engineered, flown, operated and returned. In China's manned programme, that function has a single institutional address. Since 1993, first as GESSA and since August 2011 as CSU, the centre has planned and run the applications side of every crewed Chinese mission: the Shenzhou flights, the Tiangong laboratories and now the completed space station in its decade of planned operation, with over a thousand further projects announced. Its combination of roles — system headquarters, design and reliability authority, in-orbit operator of payloads, data service, proposal evaluator, strategic planner and outreach publisher — makes it less a conventional research institute than the operating system of Chinese crewed space science. Its official English website is english.csu.cas.cn. For this directory's agencies category, CSU is recorded as what it is: the Chinese Academy of Sciences centre, Beijing-based, through which the science of the China Manned Space Program is organised.