YLI Holdings Bhd. is an investment holding company, which engages in the provision of management services. It is involved in the manufacturing and marketing of ductile iron, mild steel and HDPE pipes, and fittings. The firm operates through the following segments: Manufacturing and Trading, and Construction. The Manufacturing and Trading segment is responsible for the manufacturing and trading of ductile iron pipes, steel and plastic pipes, and fittings and waterworks related products for the waterworks and sewerage industry. The Construction segment refers to construction and project management activities. The company was founded in 1966 and is headquartered in Kuala Lumpur, Malaysia.