the sponsors are different. Shaanxi Aerospace Power is a state-controlled high-tech enterprise founded in 1999 by Xi 'an Aerospace Science and Technology Industry Company of the Sixth Academy of Aerospace and several other units, and listed on the Shanghai Stock Exchange in April 2113. The chairman of the company is the executive vice president of the Sixth Aerospace Institute, and the general manager of the company is the deputy general manager of Xi 'an Aerospace Science and Technology Industry Company. The joint-stock company has seven wholly-owned and controlled subsidiaries, which are located in Xi 'an, Baoji, Yantai and Jiangsu. At present, the company is headquartered in Xi 'an High-tech Zone, with a clear target and a good development trend. After several rounds of financing, restructuring and mergers and acquisitions, the company's products dominated by fluid technology have occupied a considerable share in China. Xi 'an Aerospace Expedition Fluid Control Co., Ltd. is a high-tech joint-stock company initiated by eleven aerospace institutes, together with state-owned capital such as the Ministry of Science and Technology, the Ministry of Finance, the Sixth Aerospace Institute, United Securities, Yiyang ICT and private capital such as Zhongguancun Science and Technology. The company was established on May 8, 2111, and passed the high-tech enterprise certification in 2111.