On May 5, 2020, China rocked a new-generation pilot manned spaceship the Long March 5B successfully into the predetermined orbit.
According to CCTV news reports, this spaceship with a liftoff weight of 849 tons,is equipped with a "composite material 3D printing system" developed by China. During the flight, the system independently completed the sample printing of continuous fiber-reinforced composite materials, and achevied the scientific experimental goals of 3D printing of composite materials in a microgravity environment.
With its payload of about 22 metric tons, the Long March 5B the most powerful Chinese rocket when it comes to carrying capacity into low-Earth orbit.The rocket is 53.7 meters long, with a core-stage diameter of 5 meters. It is propelled by liquid oxygen, liquid hydrogen and kerosene and has a liftoff weight of 849 tons.