Tianjin Shengdan Electronic Technology Development Co., Ltd. was founded in 2008. It is a national high-tech enterprise, one of the top 100 private enterprises for scientific and technological innovation in Tianjin, an advanced technology enterprise in Tianjin, and a modern high-tech enterprise dedicated to the research, development, production, sales, and service of intelligent electronic products. Due to having more than 50 independent intellectual property rights in low noise and high-resolution processing of weak electrical signals, the product has been recognized by authoritative aerospace testing departments and has become the only supplier of complete sets of key equipment such as precision DC constant current source, turbine flow pre-processing instrument, start signal generator, point type liquid level alarm, analog signal generator, thermistor temperature conversion instrument, etc. for China's new "Long March 5, 6, 7, 8" series manned spaceflight and lunar exploration rocket engines. The products have been widely used in China Academy of Launch Vehicle Technology, China Academy of Aerospace Aerodynamics Technology, the Sixth Chinese Academy of Astronautics, the National Space Technology Center of the Chinese Academy of Sciences, the Institute of Chemical Physics of the Chinese Academy of Sciences and other central institutes, and have been officially equipped with the China Aerospace Rocket Test Platform.