China National Materials Group or Sinoma, established in 1983, is a central government-administered enterprise directly under the administration of the State-owned Assets Supervision and Administration Commission of the State Council of the People's Republic of China.
It is the world's largest cement equipment and engineering service provider and China's leading non-metal materials manufacturer. It is also the only enterprise that possesses a series of core technologies and complete innovation system in non-metal materials industry in China.
China National Materials Company Limited and its subsidiaries, provides cement equipment and engineering services, as well as manufactures cement, glass fiber, and non-metal materials.
It operates in four segments: Cement Equipment and Engineering Services, Glass Fiber, Cement, and High-Tech Materials.
The Cement Equipment and Engineering Services segment provides engineering and construction services for mines, roads, bridges, and tunnels projects; builds equipment used in new dry process cement production lines…
The Glass Fiber segment engages in the production and sale of glass fiber and glass fiber products, such as roving, glass fiber mats, electronic yarn, chopped strands, and woven roving.
The Cement segment produces and sells cements, clinkers, and standard sand.
The High-Tech Materials segment involves in the production and sale of glass microfiber paper, high strength glass fiber, high temperature filtration materials, and composite materials; and the provision of design, equipment, and technology services for glass fiber production and non metal mineral fine processing.
According to en.wikipedia