... 2.Form A 3.Quality Approvals 4.Small Orders Accepted color coated steel coilNameGalvanized steel coil,HDGColor sampleAs you request. blue, red, green ... as you wish)Paint skinTop side:8-20 micron,back coated: 5-15 micronSurface treatmentPassivation,polyester,unoiled/oiledPackingInternational exporting package ... for roof,out side of building,structure,High-strength steel plate,corrugated roofing making,