This equipment is a roller conveyor type shot blast cleaning machine, which is a special equipment used for surface cleaning of H beam, structural steel, steel pipe and structural parts. After shot blasting process, the work piece can get a clean surface with a reasonable roughness, which can increase the adhesion of paint film, improve the surface quality and preservative effect. The technical performance reaching the pilot level in Asia using some Germany technology and some independent research and development technology. The configuration, quality and performance of this machine would not be fall behind in the following 10 years.