Weifang Luyang bitumen waterproofing membrane is manufactured inside our 10,000 ㎡ factory with six advanced production lines, supplying SBS and APP modified bitumen sheets with PE‑film, fine‑sand and mineral‑granule surface options. Every finished roll completes lab testing for low‑temperature flexibility, heat‑resistance, lap‑seam strength and anti‑aging indicators. Our product holds ISO and CE certification and supports custom thickness and roll‑dimension specifications. We deliver sample assessment, torch‑application guidance and global shipment for more than 50,000 worldwide construction‑industry cooperative clients.