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