Vertical sliding door lifting industrial sectional doors on China WDMA on China WDMA bifold System can be opening and

System can be opening and closing

and used for such four majors fields as door and window

manual rocker can be easily opened or closed

your world will seem brighter and more cheerful

Vertical sliding door lifting industrial sectional doors on China WDMA on China WDMA bifold System can be opening andProduct Description Vertical sliding door lifting industrial sectional doors model Sectional door Door panel size range Up to 10m*9m Door thickness 40mm2 surface Polyester treatment, color is white gray, silver gray, other track Available in 2", all made of 2mm thick hot dip steel, with standard rail, low rail high lift rail, vertical lift rail and sloping lift rail. Balance system External torsion spring balance system, the working life of the