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2009.06: GL was established, it is the first company in Hunan, majored in fiber optic cable;
2010.11: Through the ISO9001 international quality system certification;
2011.02: The products have been exported to the United States, South American, Canada, Australia, Southeast Asia, India, Saudi Arabia and other countries;
2012: Sales reached 20 million KM;
2014: Sales reached 50 million KM;
2016: Sales reached 90 million KM.