China National Materials Company Limited is principally engaged in the cement equipment and engineering services, glass fiber, cement and high-tech materials business. It operates in four segments: cement equipment and engineering services, which includes the provision of engineering equipment and engineering services for new dry process cement production lines and mining projects and equipment manufacturing; glass fiber, which includes the production and sales of glass fiber and glass fiber products; cement, which includes the production and sales of cements and clinker and standard sand, and high-tech materials, which involves the production and sales of specialty fiber, fiber reinforcement composite materials, equipment and engineering services for glass fiber production and non-metal mineral fine processing and advance ceramics. Its subsidiaries include Sinoma International Engineering Co., Ltd, Sinoma Science & Technology Co., Ltd. and Xinjiang Tianshan Cement Co., Ltd.