... ,. metal roofing . 2. Technique: cold rolled, hot dipped corrugate steel plate 1.GI: CERTIFICATEGI:ISO9001:2008STANDARDGI :ASTM A653, JIS G3302 SGCC ... use, roofing, commercial use ,household appliance,industry,family…SPECIAL APPLICATIONGI :wear resistant steel, high-strength-steel plateproduct picture:metal coil, good ...