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ASTM A653 40g/60g/80g/100g/120g/140g/150g/160g/250g/275g Zinc Coated Hot DIP Gi/Galvanized Steel Coil Manufacturer for Roofing of House, Find Details and Price about China Galvanized Steel Coil Manufacturer Galvalume Steel Coil Factory Price from ASTM A653 40g/60g/80g/100g/120g/140g/150g/160g/250g/275g Zinc Coated Hot DIP Gi/Galvanized Steel Coil Manufacturer for Roofing of House - Qingdao Guanxian New Material Co., Ltd.