The sensors, charge amplifiers, shakers, power amplifiers, and data acquisition systems produced by our company have participated in space engineering projects such as the "Shenzhou Spacecraft" and "Chang'e-1" for many times, and have contributed to China's space industry. The picture shows a thank you letter from China Academy of Space Technology. Our company will continue to give play to the spirit of astronauts and provide more high-quality products for the dynamic testing field in China.