I-power coated steel purlin yenziwe nge-galvanized purlins (i-C-section steel, i-Z-section steel) njengesiseko sezinto.Emva kokucinezela, ukwenza umngxuma, ukusika kunye nokwenza, i-epoxy resin powder ifudunyezwa kwiqondo lokushisa eliphezulu ukuze iditshwe kwaye iguqulwe, kwaye iqhutywe ngokuphilisa ...
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