2023 Annual Report
2022 Annual Report
2022 Q2 Financial Report
GTI-8th GMS Guideline on registration
GTI-Financial Report Q1-2022
Press Release of Annual Report 2021_KH & EN
2021 Fourth Quarter Documents Release
GTI-Official Report Q4-2019
Press release 3rd quarterly 2019
Change of Board of Director
GTI-Guideline on Registration to Participate 5th GMS
GTI-Q3-2019 Report
GTI-Announcement 5th GMS
GTI-Prease Release Change Senior officer
GTI-Official Report Q2-2019
GTI-Timely report for increasing in revenue and net profit Q2-2019
GTI-Official Report Q2-2019
GTI-Public Announcement of 22nd BOD meeting
GTI-Public Notification on dividend to shareholder for 2018
GTI-Correct note on cashflow Q1-2019
GTI-Financial Report Q1-2019
Gti-increase revenue
Gti-official report q4-2018
Gti_4th gms pocket guide to shareholders
Gti-official report q3-2018
Gti-announcement on shareholder meeting
Gti-public announce in bod meeting
Rectify on the comparative first for q1
Gti-official report q2-2018
Gti-timely report decreasing profit
Notification on dividend to shareholders for 2017
Gti-official report 2017
Gti-official report q4-2017
Gti-disclose decreasing profit q4-2017
Gti-notification on public (failure of report)
Timely report purchasing new office building
Gti-timely report increasing profit q3-2017
Gti-third quartterly report 2017-final
Gti_3rd gms invitation
Gti-3rd gms public annoucement result 2017
Second quarterly report 2017
Gti-dividend distribution to shareholders for 2016
Timely report change of internal auditor and senior offector
Gti-financial report q1-2017
Gti-official annual report 2016
Gti- audited financial report 2016
Timely report increasing profit q4-2016
Gti-fourth quarterly report -2016
Timely report increasing profit q3-2016
Gti-third quarterly report -2016
Gti 2nd general meeting of shareholder-9th september 2016
Gms-pocket guide to shareholders
Gti 2nd general meeting of shareholder
Gti second quarterly report and timely report
Gti-announcement of dividend distribution for 2015
Gti-first quarterly report -2016
Gti- audited financial report 2015
Gti-official report q4 2015
Gti- audited financial report 2015
Vacancy public announcemt
Gti-official report q3
Public announcement on gti's 8th bod meeting
1st general meeting of shareholder
Gti announcement of dividend distribution august 18, 2015
Official report second quarter-2015
June 2, 2015, the statement of the dividend distribution of the company
Gti-announcement 22nd may. 2015
Official report first quarter-2015