How to Install C-shape Purlins for Metal Roof? Lysaght Purlin Alternative Purlin Manufacturer China

How to Install C-shape Purlins for Metal Roof? Lysaght Purlin Alternative Purlin Manufacturer China #metalroof #metalpurlins #steelpurlins #steelfabrication #steelfactory #steelroof #purlins #purlinsinstallation #steel #steelfabrication #metalroofing #steelstructurebuilding #steelbuildings #steelconstruction #cpurlins #purlinsinstall #roofpurlins #metalbuildings Connect with Hangzhou Famous Steel Engineering Co., Ltd. Subscribe to us on YouTube: On Facebook: On Twitter: Visite our website: