Weifang Luyang waterproof membrane wall material is manufactured inside our 10,000 ㎡ factory with six advanced production lines, supplying reinforced bitumen and polymer vertical‑wall dedicated roll‑sheets for exterior and below‑grade wall projects. Every finished roll completes lab testing for vertical‑adhesion strength, tear‑resistance, hydrostatic‑pressure‑resistance and lap‑seam stability indicators. Our product holds ISO and CE certification and supports custom‑roll‑width specifications. We deliver sample assessment, vertical‑wall laying guidance and global shipment for more than 50,000 worldwide construction‑industry cooperative clients.