Weifang Luyang waterproofing material is produced inside our 10,000 ㎡ factory via six advanced production lines, integrating modified‑bitumen sheets, polymer rolls, polyurethane liquid coatings and cementitious crystalline series. Every raw‑material lot receives strict incoming inspection and finished goods complete multi‑item lab performance assessment. Our product holds ISO and CE certification and supports mixed‑spec order packing. We deliver sample evaluation, material‑selection advice and global shipment for over 50,000 worldwide cooperative construction‑industry clients.