... 2,decades experience of Canton Fair 3,ISO 9001 2000 Prime Galvanized steel coil/gi sheet Grade:Q195,Q195L Thickness:0.20 ... 5,000,000 metric tons annually.Certificate: ISO 9001:2008The main specification is as belows: Standards: GB/T 12754, JIS G 3302 ... , ASTM A653M, Q/CHG 2-2003Grade: Q195,Q195L,Q235Thickness ...