https://www.autoductline.com/
Auto duct line, TDF flange forming machine, Pittsburgh lock seamer, TDF folder manufacturer--- Preda
Preda Machine is specialized in HVAC automatic duct lines such as auto duct line 5,3, 2; spiral tubeformer and duct machines such as TDF flange machine,...
tdf flange forming machine
https://patents.google.com/patent/CN108856397A/en
CN108856397A - A kind of metal plate flange forming machine - Google Patents
The invention discloses a kind of metal plate flange forming machines, including pedestal, adjustable frequency motor, shaft coupling, flange forming...
flange forming machinekind ofmetal plate