When selecting PVC roofing tiles, choosing a reliable manufacturer is crucial for both service life and cost. With so much conflicting information online, it’s important to focus on key factors to avoid unnecessary detours. First, examine the raw materials and formulation: high-quality manufacturers use imported or top-tier brand PVC resins with no recycled materials; the cross-section should be smooth and free of black spots, and they must provide raw material test reports. Second, pay attention to production capacity and quality control; larger-scale production lines generally ensure higher quality...
