TDII is an industrial leading enterprise in the field of optical and electrical cable manufacturing under Tongding Group. Tongding Interconnection Information Co. 73 billion CNH and a share price of 11. 25 CNH on March 12. A TOSLINK optical fiber cable with a clear jacket. A fiber-optic cable, also known as an optical-fiber cable, is an assembly similar to an electrical cable but containing one or more optical fibers that are used to carry. Based in Suzhou, China, TDII is listed on the Shenzhen Stock Exchange and operates primarily in the production and sale of local telecommunication cables, optical cables, and railway signal cables. 56 CNH, reflecting a notable performance. There are different types of fiber optic cables because each type is optimized for specific applications that have unique requirements for bandwidth, transmission distance, and environmental factors.