Min. Order Reference FOB Price
1 Piece US$11,300.00-46,900.00 / Piece
Product Description
Spiral Duct Forming Machine For Hvac Air Duct Production The spiral duct forming machine is used to produce the HAVC air duct in rigid from galvanized steel or stainless steel, the finished duct is straight and rigid, and the lock seam is the interlock profile for airproof performance. 1.Machine ...