Yangtze Optical Fibre and Cable Joint Stock Ltd Co is a China-based company principally engaged in the provision of optical fiber preform, optical fiber, optical fiber cables and other relevant products in telecommunication industry. The Company operates three segments. Optical Fibers and Optical Fiber Preforms segment is mainly engaged in the production and sales of optical fibers and optical fiber preforms. Optical Fiber Cables segment is mainly engaged in the production and sales of optical fiber cables. Optical Components and Modules segment is mainly engaged in the production and sales of optical components and modules. The Company distributes its products within the domestic market and to overseas markets.