Cov xim hlau phaj txheej yog cov khoom ua los ntawm cov ntawv txias-kuav los tiag steel phaj thiab galvanized steel phaj, tom qab kev kho tshuaj lom neeg, txheej (yob txheej) lossis cov ntaub ntawv organic (PVC zaj duab xis, thiab lwm yam), thiab tom qab ntawd ci thiab kho.Qee tus neeg hu cov khoom no "pre-rolled xim steel plateR ...
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