Concrete conveying cylinder and manufacturing method thereof as well as pumping system and concrete pump

The invention discloses a concrete conveying cylinder and a manufacturing method thereof as well as a pumping system and a concrete pump. The concrete conveying cylinder comprises a conveying cylinder barrel (1) in a steel structure, wherein the inner wall of the conveying cylinder barrel (1) is provided with a rubber elastic layer (2). With the adoption of the invention, the inner wall of the concrete conveying cylinder has better wear resistance and corrosion resistance so that the service life of the conveying cylinder is greatly prolonged.