Steel shot and steel grit mainly used for the following equipment including rotary barrel shot blasting machine, chain type shot blasting machine, pedrail type shot blasting machine, pass_through shot blasting machine, table type shot blasting machine, Pendent-chain & Pile-type Shot Blasting Machine, trolley type shot blasting machine, abrator, abrator equipment, shot peening machine, shot peening equipment, sandblasting machine, sandblasting equipments, steel material pretreatment production line, steel plate pretreatment production line, steel structure pretreatment production line.