1, cov nqi kho mob tsawg: tus nqi kub dipgalvanized steel kaum barkev tiv thaiv yog qis dua tus nqi ntawm lwm cov xim pleev xim;
2, ruaj khov: kub-dip galvanized Lub kaum sab xis steel muaj cov yam ntxwv ntawm qhov chaw ci ntsa iab, txheej txheej zinc txheej, tsis muaj dej xau, tsis muaj drip, muaj zog adhesion, muaj zog corrosion kuj, nyob rau hauv suburban cheeb tsam, tus qauv kub-dip galvanized xeb tiv thaiv thickness yuav khaws cia rau ntau tshaj 50 xyoo tsis kho; Hauv nroog lossis thaj chaw sab nraud, cov txheej txheem kub-dip galvanized tiv thaiv xeb tuaj yeem khaws cia rau 20 xyoo yam tsis tau kho;
3, kev ntseeg tau zoo: galvanized txheej thiab hlau yog metallurgical ua ke, ua ib feem ntawm cov hlau nto, yog li cov kav ntev ntawm txheej yog ntau txhim khu kev qha;