ZTT entered the field of optical communications

ZTT optical cable won the gold medal of China Hi-Tech Expo

ZTT successfully developed the underwater cable specifically designed for the Yangtze River area

ZTT passed the ISO quality system certification

ZTT was identified as the national key high-tech enterprise.

ZTT 960 core optical fiber ribbon cable passed the national identification.

ZTT entered the field of Marine Equipment

ZTT developed and produced submarine optical cable

ZTT's All Dielectric Self-supporting Optical Fiber Cable (ADSS) has been recognized as a national-level new product

ZTT entered the field of Power Transmission

ZTT successfully researched and developed Optical Fiber Composite Overhead Ground Wire (OPGW)

ZTT communication flexible optical cable was recognized as a national-level new product

ZTT Optical Fiber Composite Overhead Ground Wire (OPGW) was recognized as a national-level new product

ZTT passed ISO14001 environmental management system certification

ZTT A shares listed and issued on the Shanghai stock exchange

ZTT submarine optical cable passed the national appraisal and was listed as key national-level new product

Zhongtian Technology Optic Fiber Co., Ltd. was established

The optical cable, micro cable and submarine optical cable of ZTT passed the state-level test

ZTT was rated as the top 50 enterprises of China's communication industry

Shanghai Zhongtian Aluminum Wire Co., Ltd. was founded

Zhongtian Technology Submarine Cable Co., Ltd. was founded

Aluminium-clad steel wire passed the state-level test

Micromodule optical cable was listed as China’s key new product

ZTT &Zhejiang University Collaboration Laboratory was founded

Heat resistant aluminum alloy with high strength and high conductivity passed the authoritative appraisal

ZTT were ranked among the top 50 information manufacturing enterprises in China

ZTT has been recognized as the most influential fiber optic cable enterprise in China for the past 30 years

ZTT were ranked among the top 10 most competitive enterprises in the field of optical communication in China

ZTT established the national post-doctoral scientific research workstation.

ZTT up-rating conductor passed the national certification

ZTT was ranked among the top 100 technology enterprises in China

ZTT entered the field of precise manufacturing

Zhongtian Technology Industrial Wire & Cable System Co., Ltd.was founded

ZTT entered the field of renewable energy

Zhongtian Photovoltaic Technology Co., Ltd., Zhongtian Photovoltaic Material Co., Ltd. and Zhongtian Energy Storage Technology Co., Ltd. were founded

First overseas factory-ZTT India Private Limited was established.

ZTT was listed among the Top 500 Chinese private enterprises

ZTT was recognized as national enterprise technology center.

ZTT do Brasil Ltda was established.

ZTT successfully developed China's first ±320kV high-voltage DC cable

ZTT received the Excellence Award for Corporate Social Responsibility in the Annual List of China's Communication Industry

ZTT Brazil factory held opening ceremony.

ZTT Solar achieved international automobile permitting qualification.

Jiangsu Zhongtian Bright Transformer Co., Ltd & ZTT Marine Systems Co., Ltd. were established.

ZTT was ranked among Top 500 Chinese Enterprises

ZTT Indonesia and ZTT Morocco were established

ZTT Hong Kong Co., Ltd. officially operates

ZTT successfully developed the world's first flexible DC cable with the largest capacity of ±525kV, which has passed the identification process in both China and worldwide.

ZTT Morocco started construction.

ZTT Indonesia held opening ceremony.

ZTT strategically positioned itself in the global market for UHV cable through the successful acquisition of Demirer Kablo.

ZTT won "China Quality Award".

ZTT overseas factory in Morocco and Europe went into operation.

ZTT was awarded the 6th "China Grand Awards for Industry".

ZTT set up the "ZTT Scholarship”, which was selected as an excellent case of social responsibility of Chinese private enterprises.

ZTT released the action plan of "green and low carbon manufacturing", and the production energy consumption of the group decreased by 10% in the fourth quarter.

ZTT CE HYDROGEN CO.,LTD. was established, launched 35/70MPa hydrogen refueling stations and hydrogen dispensers

Held the unveiling ceremony of the EU carbon tax countdown, released the "Supply Chain Green and Low Carbon Proposal"