Tongding Interconnection Information Co., Ltd is located in Wujiang city, a cable industry base under National Torch Program of China in the boundary of Jiangsu, Zhejiang and Shanghai. It is a core subsidiary specializes in the production of optical fiber, optical fiber cable, optical devices, optical fiber sensors, special optical cables and other products, providing users of high-quality electrical and optical cable products, system solutions and technical services both in and out of China. The company was listed in Shenzhen stock market in October 2010 (Stock Code: 002491).