Hong Kong Shanghai Alliance Holdings Limited, together with its subsidiaries, engages in the distribution and processing of construction materials in Hong Kong and Mainland China. It operates through three segments: Steels Distribution and Processing Business; Building Products Distribution Business; and Property Investment and Fund Management Business. The company distributes construction materials, such as reinforcing steel, H-piles/H-beams, and cut and bend reinforcement rebars; and offers integrated rebar processing, automated bending from bar and coil, traceability, and supply chain services. It also distributes and processes industrial steel, such as pre-painted galvanized, galvanized, cold roll, hot roll, electro galvanized, and silicon steel products.