Green Economy Development Limited, an investment holding company, engages in the construction and related activities in Hong Kong and China. The company operates through four segments: Supply Chain Management; Building Construction and Other Construction Related Business; Alterations, Renovation, Upgrading and Fitting-Out Works; and Property Maintenance. It undertakes building construction works; trades in iron ores; and provides property maintenance services for the public sector. The company also engages in transportation of materials and accessories, and sales and provision of materials.