1. C or Z Purlin 2. Galvanized Steel C or Z Channel 3. Steel Structure Truss Purlin 4. C or Z Section purlin in light weight C or Z Shape Purlin1.steady supplying ability 2.excellent quality 3.competitive price 4.professional service 1. Name: C / Z PurlinMaterial: galvanized steel, hot-rolled or cold-rolled strip steel, steel sheet,steel plate(Q235,Q345,SS400,S235JR,S355,etc.)Specification:C ...