Delivery: The packaging was well - thought - out, using waterproof plastic sheets and sturdy pallets to prevent moisture and damage during transit. This timely delivery has helped us stay on track with our construction schedule without any delays Quality: The material used is of high grade, boasting excellent corrosion resistance and weatherability. The coating is evenly applied, with a smooth and glossy finish that enhances their aesthetic appeal. Design: They come in a variety of attractive colors, allowing us to choose the one that best matches the overall style of our warehouse. The lightweight design reduces the burden on the roof structure while maintaining structural integrity. Service: The service provided by the supplier is outstanding. From the initial inquiry, their customer service team was very responsive and professional. They answered all my questions patiently and provided me with detailed information about the product.