Tongding Interconnection Information Co., Ltd is the core subsidiary enterprise of Tongding Group. It is specialized in Research and Development, production, sales and engineering services of optical preform, fiber and cable, communication cable, railway signal cable, urban track transport cable, RF cable, special optical & electric cable, optical devices, communication equipment, cable and supporting, etc. Moreover, it is a national excellent priate enterprise involved in internet application and IOT. Company announced its public listing on October of 2010 in Shenzhen Stock Exchange.

Optical preform, fiber and cable is traditional competitive industry of TDlI, we have abundant technologyadvantages in developing and producing in this field. Moreover, we have complete industry chain, and the optical fiber and cable capacity is No. 1 in this area. Depending on reliable quality and excellent service of pre-sale, in-sale and after-sale, we have become important supplier and partner for China Mobile, China Telecom and China Unicom. Meanwhile, we get network access license of railway company, broadcasting authority and national power telecomcommunication center. Our products cover throughout all provinces, cities, municipalities and overseas.

On the basis of traditional optical fiber and cable industry, TDIl extends its industry along data. Broadband access, software defined network, network information safety, big data, cloud computing, etc are added in order to accelerate the steps of transition.

TDII focuss on technology and talents, keeps industrial structure optimization and core business with broad market prospect and excellent products, through it, we can realize transition from manufacturing enterprise to research and development manufacturing enterprise.