sefl fold and unfold mechanized bridge

Brand Name:Harzone

Place of Origin:China

... is a set of mechanized bridge with big single span passed by vehicle. One complete set of equipment contains of one erection vehicle and six transport cars with bridge bays, which can be gathered into an emergency bridge rapidly to ensure all sorts of

Brand Name:zhongyin

Place of Origin:china

The entire roll of fabric is unrolled and then combined by rollers. The fabric is unfolded through mechanical folding and the nose bridge is pulled and unrolled. It is cut to length and then introduced into the edged fabric. It is ultrasonically welded to ...