We design this type of manual operation polycarbonate sliding folding door for big size opening up to 35 meters, such as commercial shop, showroom, outlet, stores.   

 

No matter it's straight opening or curved opening, we can make our sliding folding doors  to be perfectly matched. 

It will be a good choice if there is not enough headroom on the top, because our top guide rail only need around 50 mm headroom. 
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