China National Building Material Company Limited is an investment holding company. The Company operates its business through four segments. The Cement segment is mainly engaged in the production and sale New Suspension Preheater (NSP) cement and commercial concrete. The Lightweight Building Materials segment is mainly engaged in the production and sale of dry wall and ceiling system. The Glass Fiber and Composite Materials segment is engaged in the production and sale of rotor blades, glass fiber and composite materials. The Engineering Services segment is engaged in the provision of engineering services to glass and cement manufacturers, as well as equipment procurement business.