building finishing materials nonmetallic building materials 1.strict quality control 2.rich export experiences 3 ... /m2 Zinc-coatingSteel gardesSCGG. CGCC.TDC51D2,TDC51D+AZ,TDC51D, GR.A, GR. B, SPCC, SPHC, DX51D, ect.StandardJIS G3302, JIS ... worthy, or depend on customers' customized packing request.UsedUsed in building material, roof, profile,pipe making, furniture making, etc.Minimum ...