Tenroy insulated duct 4 inch,double layer color steel roll forming machine,20 inch insulated flexible air duct

1. It can press square or round metal sheet with big section, and can also clasp the profiles at jointing point.

It is very suitable for forming reinforced veins on metal plate, pittsburgh lock connection or crook profile fastening.

Customers can select or order the product according to the width and thickness of material, shape of the veins or operational requirements for connecting crook profile or pittsburgh lock etc.