... 0.02mmwidthness tolerance+/-0.02mmSurface finished20-150g/m2 Zinc-coating Steel gradesSGCC,QGCC, GR.A, GR. B, SPCC, ... models, specifications, and varieties of steel coil,plates and strips. Including cold rolled, hot rolled, galvanized and so on.The products ... conform to the national standards completely, and are widely used.Our galvanized sheet/coil ...