... peening derusting, derusting of castings, forgings and steel plates, descaling of forgings and derusting of steels, H-shaped ... of profile steels, shot blasting of ship plates and shot peening of steel plates and steels. Steel cut wire shot ... pretreatment, surface pretreatment and pretreatment of ship plates, profile steels, steels, steel plates and steel structures. Application equipments of steel ...