China Academy of Space Technology (CAST) dedicates to the exploration of space. The mission of CAST is to apply the most advanced space technology into mankind’s benefits. Since the establishment in 1968, with more than 27 000 employees (average age of 35 years old) by 2015, CAST has become one of the world-class spacecraft designers and manufacturers, providing full range of integrated space-ground system solutions for global customers. Besides the delivery of all kinds of spacecrafts from system level to equipment & component level, covering Telecommunications, Remote Sensing, Navigation, Human Spaceflight and Space Science Exploration. CAST also provides DC/AITC for spacecraft, satellite ground applications and customer-oriented service including training as well as orbit & frequency consulting.