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Test & Measuring Equipment Sales Department
  Overseas Sales Team
    Tel. 82-32-870-5765
    Fax. 82-32-870-5640
    E-mail. isale@gsinstech.com
     
  Domestic Sales Team
    Tel. 1688-6820
    Fax. 83-32-870-5640
    E-mail. Protek@gsinstech.com
 
Telecommunication Sales Department
  Overseas Sales Team
    Tel. 82-32-870-5567
    Fax. 82-32-870-5640
    E-mail. isale@gsinstech.com
     
  Domestic Sales Team
    Tel. 82-32-870-5632
    Fax. 82-32-870-5640
    E-mail. dsale@gsinstech.com
 
New Business Development Team
    Tel. 82-32-870-5641
    Fax. 82-32-870-5640
    E-mail. dsale@gsinstech.com