Large Span No-Girder Roll Forming Machine

●Large Span No-Girder Roll Forming Machine Product description： Large Span No-Girder Roll Forming Machine uses the color steel as the material, can produce the special shaped section, large span arched material, this structure is without the traditional roof building beam column, frame and other load bearing parts. The profile can be used for building the arched roof panel for the large venue( span 10-34m).