Weifang Luyang bitumen membrane is manufactured inside our 10,000 ㎡ factory with six advanced production lines, supplying fiberglass‑mat and polyester‑mat reinforced oxidized‑bitumen sheets with PE‑film and fine‑sand surface finishes. Every finished roll completes lab testing for water‑impermeability, tensile‑strength and lap‑bond stability indicators. Our product holds ISO and CE certification and supports custom thickness specifications. We deliver sample assessment, torch‑laying construction guidance and global shipment for more than 50,000 worldwide construction‑industry cooperative clients.