Khoom taw qhia: Lub ntsiab ncej ntawm cov khoom yog ua los ntawm 50 * 50 * 1.5mm tuab steel yeeb nkab, lub hauv paus yog ua los ntawm 50 * 70 * 1.5mm square tube, thiab cov khoom kho ib feem yog electroplated.Khoom siv: Hlau