Vim tias qhov kub-dip galvanized seamless steel yeeb nkab yog kub-dip galvanized, tus nqi ntawm galvanized yog siab heev. Qhov nruab nrab thickness ntawm galvanized txheej yog ntau tshaj 65 microns, thiab nws cov corrosion kuj yog ntau txawv los ntawm kub-dip galvanized yeeb nkab.