Weifang Luyang building waterproof material is manufactured inside our 10,000 ㎡ factory with six advanced production lines, supplying modified‑bitumen sheets, polymer membranes and multiple engineering‑grade liquid coatings. Every raw‑material batch receives incoming inspection and finished goods complete comprehensive lab‑performance testing. Our product holds ISO and CE certification and supports project‑oriented custom specifications. We deliver sample assessment, technical consultation and global shipment for more than 50,000 worldwide construction‑industry cooperative clients.