Скачать или смотреть 【Fire resistant windows frame machine】:fireproof door frame machine🔥Fire-Resistant Door and Windows

Fire-resistant windows frame are given a fire-resistance rating and are usually made of steel. They are designed to be kept closed, and any gaps between the wall and the door must be filled with a fire-resistant sealant. Safety door frames and fire door frames roll forming machine.
This fireproof door frame machine production line will be combined with manual decoiler, and roll forming machine part, and automatic output table, and hydraulic pump station and electrical control cabinet and so on.
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manufacture of roll forming machine
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please check our other video for this machine in these links:
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Wuxi LOTOS Roll Forming Machinery Manufacturing
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