ZTT ( Jiangsu Zhongtian Technologies Co.,Ltd. ), was established in Nantong city, Jiangsu province, China in 1996. And from then on ZTT has been focusing on power transmission and telecommunication industry with ZTT's high quality products and service. On 24th Oct. 2002, ZTT successfully issued “A” shares in Shanghai stock exchange and became a publicly listted company. Now ZTT group has 20 subsidiaries and more than 5000 employees, the 2010 sales revenue is over 1 billion US dollars.

ZTT product line covers from submarine cable applications to 1000kV AC, +-800kV HVDC overhead transmission applications.

ZTT is listed in the Shanghai stock market with code 600522.

ZTT headquarter web site  is www.chinaztt.com, www.zttcable.com