Development trend and integrated design of liquid launch vehicle

Over the past decade, numerous types of launch vehicles, exceeding a dozen in total, have achieved their maiden flights. Through a meticulous analysis and evaluation of these launch vehicles. The global space industry has ushered in a new era marked by complete commercialization, innovation-driven advancements, and the integration of military and civilian efforts. Taking into account the evolving demands of commercial satellites worldwide, particularly the deployment of space station cargo supplies, low-orbit Internet constellations, and flight transportation, there is an urgent need to augment the payload capacity and carrying efficiency of launch vehicles. Enhancing launch efficiency is also paramount. Consequently, it is imperative to construct a series of launch vehicles that possess comprehensive mission capabilities and exhibit a first-class technological standard. These endeavors will effectively cater to the ever-increasing requirements of the industry.