USA OFFICE
GS Teletech Inc.
8206 Marshall Drive,
Lenexa, Kansas 66214, USA
HEAD OFFICE
GS Instech Co.,Ltd.
70, Gilpa-ro 71beon-gil, Michuhol-gu, Incheon, Korea
22121
+82-32-870-5570
+82-32-868-0016
JAPAN OFFICE
GST JP.
Omura Building 4F, 2-5-6, Shinbashi, Minato-ku
Tokyo, Japan, 105-0004
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