Roofing Sheet, Galvanized Steel, Galvalume Steel manufacturer / supplier in China, offering Ral5002 5005 5017 26 Gauge Z275 PPGI PPGL Galvanized Steel Coil, Heat-Treatable Alloy Steel Ship Plate ISO 683-1 Compliant for Enhanced Mechanical Performance, ABS Certified High-Tensile Marine Steel Plate for Reinforced Bow and Stern Sections on Large Ships and so on.