Academy of Aerospace Solid Propulsion Technology

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The Academy of Aerospace Solid Propulsion Technology or AASPT (in Chinese: 航天动力技术研究院), also known as "The Fourth Academy", is a conglomerate of Chinese state-owned enterprises that develops rocket engines that use solid fuel. The group, which employs around 10,000 people, includes some ten entities located in the Shaanxi and Hubei regions, and is headquartered in Xi'an. AASPT is a subsidiary of the China Aerospace Science and Technology Corporation (CASC).