Weifang Luyang basement waterproofing liner is manufactured inside our 10,000 ㎡ factory on six advanced production lines, supplying reinforced polymer pre‑applied and loose‑laid liner grades. Every batch completes lab testing covering hydrostatic‑pressure resistance, puncture‑resistance and anti‑corrosion indicators. Our product holds ISO and CE certification and supports custom roll width and thickness. We deliver sample assessment, pre‑applied construction guidance and global shipment for more than 50,000 worldwide construction‑industry cooperative clients.