Weifang Luyang SBS bitumen waterproof membrane is manufactured inside our 10,000 ㎡ factory with six advanced production lines, supplying polyester‑mat and fiberglass‑mat reinforced grades with PE‑film, fine‑sand and mineral‑granule surface options. Every finished roll completes lab tests for heat‑resistance, cold‑flexibility and tear‑strength indicators. Our product holds ISO and CE certification and supports custom thickness specifications. We deliver sample assessment, torch‑construction guidance and global shipment for more than 50,000 worldwide construction‑industry cooperative clients.