| Corrugated Galvalume Steel Roof Sheet - Beautiful Design - High Strength - Anti Corrosion Product Show Model No. YX25-205-820 Effective Width 820mm Rib Height 25mm Wave Distance 205mm Thickness 0.3 - 0.8mm AZ Coated 60 - 275g/m2 Question 1: Who are we? Answer: Are we just AZ Coated Trapezoid Steel Roof Sheet manufacturer and seller? NO! CERTEG is not only selling AZ Coated Trapezoid Steel Roof Sheet, but also helping you to build warehouse or factory much faster and easier. Question 2: How do we provide better service? Answer: We focus on every detail of our products, including raw material quality control, production, package, loading, shipment and the final installation. SAY NO TO FLAW! 2.1 Manufacture For this model, we have 5 production lines with 30,000 m2 capacity per day. 2.2 Quality Control - AZ coated test -Hardness test - Thickness test - Measurement test Tips: The third party inspection is also acceptable (SGS, BV, COC, etc.) 2.3 Packing & Loading -Waterproof paper as cover -Loading based on lever rule -Steel strip fix the bundle -Protect the bundle & easy to take out |
