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By certification 
galvanized steel,galvalume steel,zinc-silicon coated steel base,good quality
Prepainted Galvanized Steel Coil:
1.base metal: galvanized steel, galvalume ,zinc-silicon coated steel
2.thickness:0.17-0.8mm
3.width: 914mm,1000mm,1200mm,1250mm
4.zinc thickness: 120g/sm or more(as your requests)
5.coating thickness:20um or more(as your requests)
6.coating type: PE, epoxy
7.color: Ral colors
