Dx51d RAL color coated long span galvanized roofing sheet ppgi corrugated sheet
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Matt Surface PPGI Prepainted Galvanized Color Coated Steel Coil 1.Wrinkle matt color coated steel coil product processing :Entry end--- Double uncoiler --- cleaning --- entry looper --- pretreatment coater --- prime coater --- prime oven --- quench unit --- finish coater --- finish oven --- embossing --- quench unit --- exit looper ---shears---coiler---exit end 2.Wrinkle matt color coated steel coil quality control: Strict procurement process---skillful technical workers---final products inspection(resistance To corrosion, salt spray test, exposure test, machinability, thermal resistance)---standard packing.
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