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Oval spiral forming machine

Spiral ovalizer is used for the ovalizer duct manufacturing.After spiral duct,the ovalizer duct machine expands it into standard size,with the character of good shape,high efficiency,easy operation.It is indispensable for duct manufacturing.
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Beading machine is the supplement for ovalizer duct making.It is used before the working procedure of round duct turns into oval duct.The principle is to press a part of spiral round pipe into oval shape before using the spiral pipe ovalizer.

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