The Long March 4B is a Chinese rocket designed for launching satellites into low Earth orbit. It is part of the Long March family of launch vehicles, which are operated by the China National Space Administration (CNSA). The 4B variant is known for its reliability and has been used for various missions, including Earth observation and scientific research satellites. This rocket features a two-stage design and can carry payloads of up to 4,000 kilograms. The Long March 4B has successfully completed numerous launches since its first flight in 1999, contributing to China's growing capabilities in space exploration and satellite deployment.