Jiangsu Zhongtian Technology Co.,Ltd. (abbr. ZTT) was established in Nantong Jiangsu province in 1992. 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 Ħ°AĦħ shares in Shanghai stock exchange and became a public list co***ny. Now ZTT group has 23 subsidiaries and more than 5000 employees. To provide total solution, ZTT set up two joint ventures with Hitachi in 1999 regarding OP...