steel coil 1.advacanced production line. 2.strict quality control 3.good customer feedback 4.star company steel coil :1) Material: SGCC, ... /coil5) Color: ocean blue, red, white and etc6) Zinc coating: 30-120g/m27) ID: 508mm-610mm 8) Packing: export ... granary, revealed rain, chimneys, roof tile, fire shutter doors, Color Coating Line substrates, etc.10) Contact person: Mike, mobile: +86-15153368395 ...