要把人造卫星等空间飞行器送入预定轨道，首先要有运载火箭，克服地球的引力，达到相应的宇宙速度。起步于1956年的中国航天事业，取得了举世瞩目的成就。长征火箭已形成系列，除满足国内用户需要外，已成功地进入国际商务发射市场，为国外用户提供了卓有成效的商业发射服务。 To spacecraft such as satellites into orbit, we must first have a carrier rocket to overcome the Earth’s gravity, to achieve the corresponding speed of the universe. China’s aerospace industry, started in 1956, has made remarkable achievements. Long March rocket has formed a series, in addition to meet the needs of domestic users, has successfully entered the international business launch market for foreign users with effective commercial launch services.