I-Galvalume Steel Coil (i-Bobin De Aco Galvalum) ineempawu zombini zentsimbi eshushu-dip kunye nentsimbi ye-aluminium eshushu.Ke ngoko, apho kusetyenziswa ishidi lentsimbi eshushu-diphu, kungasetyenziswa ikhoyili yentsimbi yegalvalume, kwaye inokutshintsha ngokuyinxenye icwecwe lentsimbi ye-aluminiyam eshushu.Inoluhlu olubanzi lwezicelo.
Ngokuphathelele ukubonelela kunye nemfuno, emva kweminyaka yohlengahlengiso kunye nokhuphiswano lwemarike, imboni ye-galvalume yensimbi ye-galvalume yaseChina iye yazinza ngokuthe ngcembe.Ubudlelwane bobonelelo lwemarike kunye nemfuno bulungelelene.Izinga lemveliso kunye nentengiso lingaphezulu kwe-90% ngonyaka, kwaye inani elikhulu leemveliso zithunyelwa ngaphandle minyaka le.