Suppply And Erection Complete Set Of Steel Structure Truss With Purlin And Post Providing And Fixing Ms Tubelar Truss Post 4 Inch Dia For Extend Truss Providing And Fixing Galvanised Coated Cgi Or Pgi Roofing Sheet Gi Ridge On Crown Of Roof Over Gi Sheet Cross Recessed Pan Head Self Drilling Screw Nails 5 Kgs