overhead 100% bifold doors and windows on China WDMA color:Light Grey We offer a various of

We offer a various of recording technologies

Basic information:

Packaging Details: packing with foam

Laboratory

steel wood stair with Led light

overhead 100% bifold doors and windows on China WDMA color:Light Grey We offer a various ofProduct Description Vetical Bi Folding Door consists of upper panel, lower panel, track, lifting system, sealing system and safety device, widely use of portal space, small hangar, garage, restaurant and other special occasions. The door operator is installed on lower panel, while electric motor rotates the rolling block to change the length of lifting belt or steel wire, to make opening and closing. Color plate, aluminum plate, corrosion resistant