... are easy to install. Our product name: C sheet, C shape purlin, C purlin.Brief introduction:C shape purlin, Z shape purlin, H shape ... , high buildings, large-span bridges, gymnasiums, and portablehouses.Size of C shape purlins:1) No. 1 model:A) Size: 80 x ... ) Thickness: 2.0 - 3.0mmC) Coil width: 389mm Galvanized Steel C Purlin