Gi 1.ISO 9001 2.ASTM A653, JIS G3302 SGCC/SGCH, GB/T 2518... 3.SS grade 33-80; SGCC, SGCH... 4.Z60g-275g GI:With the professional produce line, we can manufacture the best quality with competitive price as below:Thickness: 0.18-2.00mmCoil width:600-1250mmOne weight: 2.0-6.0MTSurface finish : 60-280g/m2 zinc coating and any Ral code the customers requirment!Steel grades: Q195-Q345,GR.A,GR.B, SPCC, ...