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
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
famous brand product in guangdong province