In the field of Chinese Optical Fiber and Optical Fiber Cable, ZTT was involved the top three. Nowadays, ZTT has realized a completed product chain of preforms, optical fiber and optical fiber cable, and this makes ZTT in a leading position in the industry. In the beginning of 2012, the capacity of ZTT optical fiber was 15,000,000 core-km, and the preforms’ capacity was 200 tons. In the beginning of 2013, the capacity of optical fiber was 20,000,000 core-km, and from 2013 to 2014, the capacity of preforms will reach to 400 tons and 600 tons.

In the field of power lines and cables, ZTT was the hegemony of Chinese special conductors. The market share of OPGW, ADSS and special conductors had been the top one for many years. Meanwhile, in the field of submarine cable, ZTT has been the first enterprise which entered international market.