... Z120, Z150,Z180, Z200 comply with JIS G3302, ASTM A653M, EN10327, stable quanlity hot-dip galvanized steel coil, sheet, strip--Base steel ... --Surface treatment: chomating treatment, oiled coated--Coil inside diameter 508mm, coil outside diameter no more than 2000mm--Package ... , strictly quality and cost control. Any enquiry send us email or contact Peter Tan, 0086 13724926360 galvanized steel coil