... designed 2.be used in wide range applications Galvanized steel coil/HDG with competitiveprice1.ISO9001 2.JIS G3302 GB/T 1275 ... 3.NameGalvanized steel coil,HDGColor sampleAs you request. blue, red, ... use for roof,out side of building,structure,High-strength steel plate,corrugated roofing making, 4.Quality Characteristics1.)clean, economical2 ...