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Established in 1992, ZTT started from optical fiber communications. Now ZTT has developed a diversified industrial model of telecom, power grid, renewable energy, marine system, precision equipment and so on. ZTT was listed on the Shanghai Stock Exchange (Stock Code: 600522) on Oct 24, 2002. Awarded for national innovative pilot enterprise, national key hi-tech enterprise, Top-500 Enterprise in China, and Gold-medal listed company, ZTT currently hosts more than 70 subsidiaries and over 15,000 employees and has broken through the sales revenue of $7.84 billion with the amount of exports almost being $700 million in 2018.

ZTT has been exploring internationalization since 2002, and is one of the earliest enterprises with “going global” strategy in the field of optical fiber communications. Now it owns a professional sales team of about 350 employees who masters languages such as English, Russian, Spanish, French, Japanese and so on. Furthermore, ZTT has established 58 overseas branch offices and 6 registered subsidiaries respectively in United Sates, Germany, Columbia, Russia, United Arab Emirates and Thailand. ZTT has set up plants in India, Brazil, Uzbekistan, Indonesia, Morocco and Turkey. The products have been supplied to 147 countries all over the world with excellent service.