tube duct production line automatic affordable
tube duct production line round pipes making welded ... Automatic Duct Manufacture Line - Locfome. Automatic Duct Manufacture Line. Duct manufacture auto line is designed for medium to large volume workshops and is used to work with the coiled metal with weighting up to 6 tons, thickness up to 1,2 mm and minimum duct size 180x180 mm .
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