Senior officials of central enterprises of Beijing Institute of Satellite Environmental Engineering. Beijing Satellite Environmental Engineering Research Institute undertakes the assembly, integration, professional test and environmental test of China manned spacecraft series, navigation satellite series, communication satellite series, Earth observation satellite series, moon and deep space exploration satellite series, scientific experimental satellite series and recoverable satellite series. It has the ability to develop all kinds of spacecraft space environment simulation test equipment and ground mechanical support equipment and facilities, and has built a relatively complete technical system and service system for spacecraft assembly, environmental test, AIT ground equipment development and facilities construction. It is the core department of research and development of spacecraft assembly, test and environmental simulation test equipment in China, and the national spacecraft environment engineering and reliability professional research institution.