Q38\Q48\Q58 continu-ous step-by-step and set and free pendent chain type overhead Blast cleaning machines are suitable for the shot blast treatment to large balches middle-And small-sized work pieces. The work pieces, along with the pendent chain, move continuously Or step-by-step, or by adopting the advanced set and free pendent chain, stop at given positions, To realize the static loading / unloading and shot blasting works. with the single hook loading Capacity of 50~2000 kg, they feature high outputs and reliable operations.