“50 Anniversary of the Invention of Optical Fiber” has hold in Beijing Conference Center in 9, May. As one of the earliest domestic optical fiber manufacture, ZTT has provided optical fiber with 1,55 million fiber km which can circle the earth 3880 times.

ZTT has formulated the whole industrial chain with optical fiber, fiber optical cable and fiber preform. Most worthy of mention is ZTT big size and fully synthetic fiber preform owning complete intellectual property rights makes great contributions for Chinese information industrial development.

Chinese optical fiber founder—Zhao Zisen has visited ZTT booth and expressed his great appreciation for the technology of ZTT fiber preforms.