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square tube mill
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ERW20 High Frequency Straight Welded Pipe Production Line Square Tube Mill The high-frequency pipe production line is specialized equipment to produce ...
2024-12-09 20:59:54
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Thickness 1.5mm-20mm ERW Carbon Steel Direct Square Tube Mill It is directly roll the steel strip and bend it to square & rectangular shape, then weld ...
2024-12-09 20:59:54
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