It was announced in mid August that a 500k N vibration test bed developed by the Shanghai Aerospace Control Engineering Institute had passed the thirdparty metrological assessment by the Chinese Academy of Metrological Sciences.The Institute is a subsidiary of the Shanghai Academy of Spaceflight Technology(SAST)of CASC.The platform can produce the highest force and has the largest load bearing capacity for a single test bed developed in China.It is ready to be used for spacecraft testing in China.With this development the SAST environmental testing ability has been improved.(ZHANG It was announced in mid August that a 500k N vibration test bed developed by the Shanghai Aerospace Control Engineering Institute had passed the thirdparty metrological assessment by the Chinese Academy of Metrological Sciences.The Institute is a subsidiary of the Shanghai Academy of Spaceflight Technology (SAST) of CASC.The platform can produce the highest force and has the largest load bearing capacity for a single test bed developed in China. It is ready to be used for spacecraft testing in China. With this development the SAST environmental testing ability has been improved. (ZHANG