Preda Machine is Chinese based manufacturer for HVAC auto duct lines and machines!
Auto duct line by Preda Machine,
Duct machines mainly include,
Pittsburgh lock former SA-12HB
TDF folding machine WS-TDF1500
Beading machine/Duct beader
Duplex TDF flange former
Pneumatic TDF folder WSQ-TDF1500
Electric shearer and MORE.