Weifang Luyang SBS roofing membrane is manufactured inside our 10,000 ㎡ factory on six advanced production lines, supplying polyester‑reinforced roof‑specific grades with PE‑film, fine‑sand and mineral‑granule cap‑sheet surfaces. Every finished roll completes lab testing for low‑temperature flexibility, heat stability and tear‑resistance indicators. Our product holds ISO and CE certification and supports custom 3‑5 mm roof‑grade thickness. We deliver sample assessment, torch‑roof‑laying guidance and global shipment for more than 50,000 worldwide construction‑industry cooperative clients.