Hong Leong Asia Ltd. is an investment holding company, which engages in the manufacture and supply of building materials. The company is the Trade and Industry arm of the Hong Leong Group with operations in China and across Southeast Asia. It operates through the following segments: Diesel Engines, Building Materials, Rigid Plastic Packaging, Air-Conditioning Systems, and Corporate and Others. The Diesel Engines segment manufactures and distributes diesel engines and automobile spare parts. The Building Materials segment supplies cement, pre-cast concrete products, ready-mix concrete, and quarry products. The Rigid Plastic Packaging segment includes plastic packaging related products and container components. The Air-Conditioning Systems segment consists of commercial and residential air-conditioning products lifestyle consumer appliances. The Corporate and Others segment refers to the hospitality and property development. The company was founded on August 30, 1963 and is headquartered in Singapore.