Galvanized grating ndi mankhwala otsimikizira dzimbiri omwe amachitidwa pambuyo popanga chitsulo.Pali mitundu iwiri ya dip dip galvanized steel grating ndi electro galvanized steel grating.Galasi wazitsulo wazitsulo ali ndi ubwino wa mpweya wabwino, kufalitsa kuwala, anti-slip, mphamvu yonyamula mphamvu, yokongola komanso yolimba, yosavuta kuyeretsa komanso yosavuta kukhazikitsa.