Jiangsu Zhongtian Technology Co.,Ltd. (abbr. ZTT hereafter) was established in Nantong Jiangsu province in 1996. And from then on ZTT have been focusing on power transmission and telecommunication industry with our high quality products and service. On 24th Oct. 2002, ZTT successfully issued ????shares in Shanghai stock exchange and became a public list company. Now ZTT group has 20 subsidiaries and more than 5000 employees.To provide total solution, ZTT set up two joint ventures with Hitachi ...