Weifang Luyang APP modified bituminous membrane is manufactured in 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 treatments. Every finished roll completes lab testing for heat‑resistance, UV‑aging performance and tensile‑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.