The slash cut for steel roll-down gates and the box cut for folding panel garage doors are tactical considerations. The American fire service has many different tactics for cutting gates and ...

Deren is a professional folding doors company supply folding doors include: automatic folding doors(bi-folding door),manual folding doors, glass folding door for indoor, outdoor, pation, shower ...

Leda-Vannaclip has developed automated Bi-fold gate. The prototypes developed thus far operate at significantly higher speeds than even high-speed track or cantilever gates.