"Chongqing Liangjiang Star," a commercial carrier rocket from the series OS-M developed by One Space, a Beijing-based private company, is preparing to launch at the end of March 2019. If the maiden launch of One Space's self-developed orbital launch vehicle is succeeds, the OS-M carrier rocket will be the third in the world, and China's first private carrier rocket successfully launched into orbit. A successful launch is also expected to promote the development of China's commercial aerospace industry.