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![Spiral Tubeformer| Rectangular Duct Forming Machine - StanGroup Machine](http://beylee.com/zdmsl_image/jietu/jt_3525.png)
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Spiral Tubeformer| Rectangular Duct Forming Machine - StanGroup Machine
StanGroupMachine,professionalonDuct/TubeMachineryinHVAC.Wesupplyspiraltubeformer,gorelocker,automaticrectangularductproductionline.