Beijing Aerospace Propulsion Institute (N0. 11 Institute), a subsidiary institute of China Aerospace Science and Technology Corporation, was founded in 1958. It is the birthplace of China liquid rocket engines (LPRE).With 50 years self-reliant and innovative development, the institute has developed many LPREs for launch vehicles. The first generation Liquid Oxygen/Liquid Hydrogen (LOX/LH2) LPRE (YF-73) symbolized that China mastered the advanced super-cryogenic propulsion technologies and became one of leading countries in this field. The second generation LOX/LH2 LPRE (YF-75) keeps the successful launch rate record in China and is one of the four most famous upper stage engines in the world. The new generation LOX/LH2 LPRE is under development and breakthroughs have been achieved in key technologies. The light-weight, quick-response and high performance altitude control engines developed by the institute have accomplished many technological achievements and won intellectual property rights which are leading in the international arena. Hence, the institute has obtained advantages in four aerospace technological fields, i.e., the main propulsion stage engines, upper stage engines, altitude control engines and new energies and their applications.