YLI Holdings Bhd is an investment holding company. Through its subsidiaries, it is principally involved in the manufacturing and marketing of ductile iron, mild steel, and HDPE pipes, fittings, and other related products. In addition, the group is also engaged in the provision of task building, civil infrastructure, and project management works. The operating segments of the group are construction services, manufacturing and trading. The company through its subsidiary, markets imported products for the water supply sector. The activities of the group are carried out in Malaysia, Singapore, Madagascar and Vietnam and the Manufacturing and Trading segment constitutes a majorly of its revenue.