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1 / 8 "* 20 1/4" ， Wọn ti ṣelọpọ lati inu okun waya irin galvanized 3mm galvanized. O jẹ apẹrẹ lati ṣiṣẹ si ẹru iku ailewu ti 600kgs. 3/16 ″ * 28″. Wọn ti ṣelọpọ lati okun waya irin galvanized 5mm galvanized, si ẹru ailewu ti o ku ti 1.5 tonne. 1/4 ″ * 38″, Wọn ti ṣelọpọ lati ...Ka siwaju»