Weifang Luyang foundation waterproofing membrane is manufactured inside our 10,000 ㎡ factory with six advanced production lines, supplying reinforced bitumen and polymer‑based below‑grade sheets for footing, slab and underground foundation scenarios. Every finished roll completes lab testing for hydrostatic‑pressure‑resistance, puncture‑resistance, lap‑seam stability and soil‑chemical‑tolerance indicators. Our product holds ISO and CE certification and supports custom‑roll‑dimension specifications. We deliver sample assessment, foundation laying guidance and global shipment for more than 50,000 worldwide construction‑industry cooperative clients.