When selecting a manufacturer of PVC roofing tiles, it is important to focus on qualifications, sample quality, and production consistency to avoid being tempted by low prices that result in substandard products. High-quality manufacturers typically hold production certifications and testing reports, and their products feature sufficient flexibility, a smooth surface, and uniform thickness. Price differences primarily stem from raw material formulations and production processes; PVC roofing tiles made from pure raw materials offer superior resistance to aging.