Please provide the telephone number of the switchboard of Beijing Satellite Manufacturing Factory (Aerospace 529 Factory) or the contact information of the responsible radio signal test engineer. grat

Please provide the telephone number of the switchboard of Beijing Satellite Manufacturing Factory (Aerospace 529 Factory) or the contact information of the responsible radio signal test engineer. grateful!

Beijing Satellite Manufacturing Factory (Factory 529) is affiliated to the Fifth Research Institute of China Aerospace Science and Technology Corporation. It is a high-tech enterprise located in Zhongguancun High-tech Park. The company was founded on September 1, 1958. An important base for device development and production. my country independently developed, produced and successfully launched the first artificial earth satellite "Dongfanghong-1", the first returnable remote sensing satellite, the first experimental communication satellite and the first manned test spacecraft "Shenzhou-1" All were born here. It has successfully completed the structural development, final assembly testing and launch services of more than 60 satellites and multiple spacecrafts in scientific experiments, return-type, earth remote sensing, resource exploration, navigation and communications, etc., and has contributed to my country’s aerospace industry and space technology. made significant contributions to its development.