Do not close. Please wait...


Please enter your result.

Global Gem Testing Laboratory Co., Ltd.
119 BIS Building, Phase 1, 6th floor, Room no. 6A1
Mahesak Road, Suriyawong, Bangrak
Bangkok, 10500, Thailand

Tel : (662) 236-2941

Office hours

Monday to Friday  9.30 AM - 5.30 PM
Closed on Saturday, Sunday and Public Holidays

10 minutes walk from BTS Surasak Station

Powered by
This website uses cookies for best user experience, to find out more you can go to our Privacy Policy  and  Cookies Policy