A business book explaining the details of drain pipe lining methods and providing information useful for preventing aging. - Title: Unveiling the Secrets of Drain Pipe Lining! - Author: Kinzo Fujii - Price: 1,500 yen (1,650 yen including tax) - Content: Preventing the aging of condominiums over 40 years old with a nationwide network of construction! - Size: Standard book size Thank you for viewing.