STD40 steel sectional doors are suitable for the industrial buildings, logistics centers and all kinds of environments with insulation and protection function.  With beautiful appearance, durability, heat preservation and sealing, installation saves indoor space,  STD40 steel sectional doors are the Best Choice for Industrial Factory Building and Logistics Center.

The opening styles of STD40 steel sectional door , the door panel slides under the roof track, therefore it does not occupy any space around the gate. We have a variety of lifting operation mode and a variety of control modes for you to choose.