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About

Looking back to the past eventful years, SDGI presents us a picture scroll full of opportunities and challenges, strivers and contributions. SDGI people obtain the honors with their sweat and intelligence to brighten the growth road for SDGI. Years of ups and downs and hard striver nurture a famous brand in the industry.


China Top 10 optical communication enterprises with the most comprehensive competitiveness 


Title of China Top 10 optical fiber and optical cable enterprises with strongest competitiveness 


黄网站色视频免费Most influential optical fiber and optical cable enterprises in China with strongest competitiveness in past 3 decades


Industrial brand with the greater impact in Chinese Telecom Market


Famous Trademark in Guangdong Province 


黄网站色视频免费Famous Brand Product in Guangdong Province


  • Industrial brand with the greater impact in Chinese Telecom Market
  • National-recognized Enterprise Technology Center
  • National Independent Innovative Demonstration Enterprise
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