Weifang Luyang bathroom waterproof membrane is manufactured inside our 10,000 ㎡ factory with six advanced production lines, supplying fleece‑faced sheet‑type and liquid‑curable variants with anti‑mold formula. Every finished batch completes lab testing for water‑impermeability, elongation, anti‑microbial performance and tile‑adhesion indicators. Our product holds ISO and CE certification and supports custom‑thickness specifications. We deliver sample assessment, wet‑zone construction guidance and global shipment for more than 50,000 worldwide construction‑industry cooperative clients.