China National Building Material Co Ltd is a China-based company primarily engaged in the production and sale of building materials. The company operates in five segments. Cement segment is engaged in the production and sale of cement. Concrete segment is engaged in the production and sale of concrete. New Materials segment is engaged in the production and sale of glass fiber, composite materials and lightweight building materials. Engineering Technology Services segment provides engineering services and equipment procurement for glass and cement manufacturers. Others segment is engaged in commodity trading business and others. The Company primarily operates its businesses in the domestic market.