... .purlin aterial: color,zincalume,zinc 2. material:zinc275,q345,q550 3.Thickness:1.50-3.00mm 4.shape ... width Below is the brief introduction of C/Z purline(channel) for ... , powder coated steel sheet.. 2). Specification: (A)--C Purline: thickness--1.50mm to 3.00mm; height--100mm ... site. If you need C/Z purline(channel), (c Shape steel,z Shape, u steel Shape)..please feel free to contact ...